About Audio Recorder - WAV, M4A
A recorder app developed in pursuit of simple operation, detailed recording format settings, enhanced playback effects, and spectrum display. We can expect many uses such as business side such as meeting and entertainment...
A recorder app developed in pursuit of simple operation, detailed recording format settings, enhanced playback effects, and spectrum display. We can expect many uses such as business side such as meeting and entertainment system such as music. ※ Call recording is NOT supported. Recording : - File format: wav, m4a - Channels: Mono / Stereo - Supports microphone selection (Bottom / Back) for monoral recording with the built-in microphone. - Supports stereo recording (Front / Back) with the built-in microphone. - Supports a wide range of sampling rates. - wav: 8, 16, 22.05, 32, 44.1, 48, 96, 192 kHz - m4a: 44.1, 48 kHz - Bit depth (wav): 16, 24, 32 bits - Bit rate (m4a): 64, 128, 192, 256, 320 kbps - Supports recording in the background. - Supports additional recording from the end. (save as a new file) Playback : - Graphical waveform display - Quick jump back/forward of playback position. (Time can be set: 1 ~ 60 seconds) - Repeat playback in specified section - Time effect ("Speed / Pitch" or "Varispeed") - Setting of playback speed. (0.5x ~ 2.0x) - Setting of pitch. (± 1 octave) ※ In-App Purchase required - Setting of varispeed. (0.5x ~ 2.0x) - 10 band equalizer. (32 Hz ~ 16 kHz) ※ In-App Purchase required - Center Cancel / Center Emphasis - Lch, Rch each mute - Supports playback in background. Trimming : - Supports trimming of the recording file on the playback screen. - The trimmed file reflect the values set in "Speed/Pitch" or "Varispeed" and "EQ". Spectrum Display: - Displays the waveform of recording files and a real-time spectrum linked to playback. - Supports zooming in the frequency direction of the spectrum. - Channel display switching (Mix / L / R). - Frequency axis display switching: Linear, Log - FFT size: 1024, 2048, 4096, 8192 - Window function: Hann, Hamming, Blackman, None - Octave analysis: FFT, 1/12, 1/6, 1/3, 1, calculation method: Max, Ave - Pitch meter display. Transcription screen : (* Available on iOS 26 or later.) Transcribes speech in the selected audio file. The results are divided into recognized speech segments and displayed in cells with their start times. Tap a cell to move to that position. Other : - Supports sharing the recording file to other apps. - Supports saving the recording file to iCloud Drive. - Supports change of the recording file name. - Supports filtering display of file names in recording list. (search bar) - Supports read recording files from iTunes. - Supports recording using Bluetooth HFP (Hands-Free Profile). - Supports Auto-Lock ON/OFF. Note: Stereo recording with the built-in microphone is limited to the following models (iOS 14~). iPhone XS/XR, iPhone SE (2nd), iPhone 11~, iPad Pro 11 (1st~), iPad Pro 12.9 (3rd~) If the model does not support it, the same sound will be recorded on Lch and Rch respectively.
Version History Fixed an issue where the “Do NOT limit recording volume” setting was not correctly applied to the audio input. 2.8.3 1d ago - Added a feature to display dB and frequency values at the tapped location in the spectrum view. - Added a “1/24 octave” option to octave analysis. 2.8.2 Sep 5 Updated the system functionality. 2.8.1 Aug 27 Added a transcription feature. (* Available iOS 26 or later.) It recognizes speech and displays it as text. The results are divided into speech segments and displayed with their start times. 2.8.0 Aug 11 Supports pitch meter display on the Waveform / Spectrum screen. 2.7.2 Jul 30 Added the display of the file name to the spectrum display screen. 2.7.1 Jul 21 Added a waveform / spectrum display screen. You can now check the spectrum of a recording file linked to playback. 2.7.0 Jul 5 Add the following features to the playback screen: - Center Cancel / Center Emphasis - Lch, Rch each mute 2.6.0 Jun 22 - Added "Free Space" information to the recording screen. - Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects. (Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback. - You can select two types of time effects. ("Speed / Pitch" or "Varispeed") ("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen) You can also restore files on the trash screen. This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors. * Fixed a bug with external audio interfaces We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input. This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen. (You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen. - Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile). [Note] Bluetooth HFP (profile for calls) reduces sound quality. Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023
Previous Versions
Here you can find the changelog of Audio Recorder - WAV, M4A since it was posted on our website on 2021-12-13 20:33:07.
The latest version is 2.8.3 and it was updated on 2026-10-06 22:00:24. See below the changes in each version.
Audio Recorder - WAV, M4A version 2.8.3
Updated At: 2026-10-06
Changes: Version History Fixed an issue where the “Do NOT limit recording volume” setting was not correctly applied to the audio input. 2.8.3 1d ago - Added a feature to display dB and frequency values at the tapped location in the spectrum view.
- Added a “1/24 octave” option to octave analysis. 2.8.2 Sep 5 Updated the system functionality. 2.8.1 Aug 27 Added a transcription feature. (* Available iOS 26 or later.)
It recognizes speech and displays it as text.
The results are divided into speech segments and displayed with their start times. 2.8.0 Aug 11 Supports pitch meter display on the Waveform / Spectrum screen. 2.7.2 Jul 30 Added the display of the file name to the spectrum display screen. 2.7.1 Jul 21 Added a waveform / spectrum display screen.
You can now check the spectrum of a recording file linked to playback. 2.7.0 Jul 5 Add the following features to the playback screen:
- Center Cancel / Center Emphasis
- Lch, Rch each mute 2.6.0 Jun 22 - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects.
(Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback.
- You can select two types of time effects. ("Speed / Pitch" or "Varispeed")
("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings
Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen)
You can also restore files on the trash screen.
This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors.
* Fixed a bug with external audio interfaces
We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input.
This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen.
(You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen.
- Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile).
[Note]
Bluetooth HFP (profile for calls) reduces sound quality.
Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023
Audio Recorder - WAV, M4A version 2.8.2
Updated At: 2026-10-02
Changes: Version History - Added a feature to display dB and frequency values at the tapped location in the spectrum view.
- Added a “1/24 octave” option to octave analysis. 2.8.2 Sep 5 Updated the system functionality. 2.8.1 Aug 27 Added a transcription feature. (* Available iOS 26 or later.)
It recognizes speech and displays it as text.
The results are divided into speech segments and displayed with their start times. 2.8.0 Aug 11 Supports pitch meter display on the Waveform / Spectrum screen. 2.7.2 Jul 30 Added the display of the file name to the spectrum display screen. 2.7.1 Jul 21 Added a waveform / spectrum display screen.
You can now check the spectrum of a recording file linked to playback. 2.7.0 Jul 5 Add the following features to the playback screen:
- Center Cancel / Center Emphasis
- Lch, Rch each mute 2.6.0 Jun 22 - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects.
(Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback.
- You can select two types of time effects. ("Speed / Pitch" or "Varispeed")
("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings
Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen)
You can also restore files on the trash screen.
This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors.
* Fixed a bug with external audio interfaces
We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input.
This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen.
(You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen.
- Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile).
[Note]
Bluetooth HFP (profile for calls) reduces sound quality.
Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023 Added the function to delete multiple recordings at once.
Tap "Edit" at the top right of the top screen to switch the recording list to edit mode.
Select the recording you want to delete and tap the "Trash" button on the top left of the top screen to display a confirmation dialog.
【Note】
Deleted recordings cannot be recovered. please note. 2.0.0 08/15/2023
Audio Recorder - WAV, M4A version 2.8.2
Updated At: 2026-09-11
Changes: Version History - Added a feature to display dB and frequency values at the tapped location in the spectrum view.
- Added a “1/24 octave” option to octave analysis. 2.8.2 5d ago Updated the system functionality. 2.8.1 Aug 27 Added a transcription feature. (* Available iOS 26 or later.)
It recognizes speech and displays it as text.
The results are divided into speech segments and displayed with their start times. 2.8.0 Aug 11 Supports pitch meter display on the Waveform / Spectrum screen. 2.7.2 Jul 30 Added the display of the file name to the spectrum display screen. 2.7.1 Jul 21 Added a waveform / spectrum display screen.
You can now check the spectrum of a recording file linked to playback. 2.7.0 Jul 5 Add the following features to the playback screen:
- Center Cancel / Center Emphasis
- Lch, Rch each mute 2.6.0 Jun 22 - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects.
(Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback.
- You can select two types of time effects. ("Speed / Pitch" or "Varispeed")
("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings
Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen)
You can also restore files on the trash screen.
This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors.
* Fixed a bug with external audio interfaces
We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input.
This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen.
(You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen.
- Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile).
[Note]
Bluetooth HFP (profile for calls) reduces sound quality.
Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023 Added the function to delete multiple recordings at once.
Tap "Edit" at the top right of the top screen to switch the recording list to edit mode.
Select the recording you want to delete and tap the "Trash" button on the top left of the top screen to display a confirmation dialog.
【Note】
Deleted recordings cannot be recovered. please note. 2.0.0 08/15/2023
Audio Recorder - WAV, M4A version 2.8.1
Updated At: 2026-09-04
Changes: Version History Updated the system functionality. 2.8.1 Aug 27 Added a transcription feature. (* Available iOS 26 or later.)
It recognizes speech and displays it as text.
The results are divided into speech segments and displayed with their start times. 2.8.0 Aug 11 Supports pitch meter display on the Waveform / Spectrum screen. 2.7.2 Jul 30 Added the display of the file name to the spectrum display screen. 2.7.1 Jul 21 Added a waveform / spectrum display screen.
You can now check the spectrum of a recording file linked to playback. 2.7.0 Jul 5 Add the following features to the playback screen:
- Center Cancel / Center Emphasis
- Lch, Rch each mute 2.6.0 Jun 22 - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects.
(Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback.
- You can select two types of time effects. ("Speed / Pitch" or "Varispeed")
("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings
Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen)
You can also restore files on the trash screen.
This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors.
* Fixed a bug with external audio interfaces
We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input.
This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen.
(You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen.
- Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile).
[Note]
Bluetooth HFP (profile for calls) reduces sound quality.
Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023 Added the function to delete multiple recordings at once.
Tap "Edit" at the top right of the top screen to switch the recording list to edit mode.
Select the recording you want to delete and tap the "Trash" button on the top left of the top screen to display a confirmation dialog.
【Note】
Deleted recordings cannot be recovered. please note. 2.0.0 08/15/2023 Fixed an issue that sometimes prevented playback via Bluetooth. 1.9.8 02/22/2023
Audio Recorder - WAV, M4A version 2.8.0
Updated At: 2026-08-22
Changes: Version History Added a transcription feature. (* Available iOS 26 or later.)
It recognizes speech and displays it as text.
The results are divided into speech segments and displayed with their start times. 2.8.0 Aug 11 Supports pitch meter display on the Waveform / Spectrum screen. 2.7.2 Jul 30 Added the display of the file name to the spectrum display screen. 2.7.1 Jul 21 Added a waveform / spectrum display screen.
You can now check the spectrum of a recording file linked to playback. 2.7.0 Jul 5 Add the following features to the playback screen:
- Center Cancel / Center Emphasis
- Lch, Rch each mute 2.6.0 Jun 22 - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects.
(Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback.
- You can select two types of time effects. ("Speed / Pitch" or "Varispeed")
("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings
Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen)
You can also restore files on the trash screen.
This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors.
* Fixed a bug with external audio interfaces
We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input.
This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen.
(You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen.
- Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile).
[Note]
Bluetooth HFP (profile for calls) reduces sound quality.
Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023 Added the function to delete multiple recordings at once.
Tap "Edit" at the top right of the top screen to switch the recording list to edit mode.
Select the recording you want to delete and tap the "Trash" button on the top left of the top screen to display a confirmation dialog.
【Note】
Deleted recordings cannot be recovered. please note. 2.0.0 08/15/2023 Fixed an issue that sometimes prevented playback via Bluetooth. 1.9.8 02/22/2023 Added an item to turn OFF/ON the "Move volume bar when recording standby" on the setting screen.
There was a report from a user that "the app crashes when the audio interface (Babyface Pro FS) is connected via USB and the recording screen is displayed." (No problem with another audio interface "UR22mkII")
I was able to avoid the error by turning off "Activate the volume bar when recording standby".
This is a provisional response, but if you experience similar symptoms, please try this setting. 1.9.7 12/31/2022
Audio Recorder - WAV, M4A version 2.7.1
Updated At: 2026-07-27
Changes: Version History Added the display of the file name to the spectrum display screen. 2.7.1 5d ago Added a waveform / spectrum display screen.
You can now check the spectrum of a recording file linked to playback. 2.7.0 Jul 5 Add the following features to the playback screen:
- Center Cancel / Center Emphasis
- Lch, Rch each mute 2.6.0 Jun 22 - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects.
(Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback.
- You can select two types of time effects. ("Speed / Pitch" or "Varispeed")
("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings
Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen)
You can also restore files on the trash screen.
This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors.
* Fixed a bug with external audio interfaces
We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input.
This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen.
(You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen.
- Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile).
[Note]
Bluetooth HFP (profile for calls) reduces sound quality.
Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023 Added the function to delete multiple recordings at once.
Tap "Edit" at the top right of the top screen to switch the recording list to edit mode.
Select the recording you want to delete and tap the "Trash" button on the top left of the top screen to display a confirmation dialog.
【Note】
Deleted recordings cannot be recovered. please note. 2.0.0 08/15/2023 Fixed an issue that sometimes prevented playback via Bluetooth. 1.9.8 02/22/2023 Added an item to turn OFF/ON the "Move volume bar when recording standby" on the setting screen.
There was a report from a user that "the app crashes when the audio interface (Babyface Pro FS) is connected via USB and the recording screen is displayed." (No problem with another audio interface "UR22mkII")
I was able to avoid the error by turning off "Activate the volume bar when recording standby".
This is a provisional response, but if you experience similar symptoms, please try this setting. 1.9.7 12/31/2022 Confirmed to work on iOS 16. 1.9.6 11/27/2022 Updated the system of the banner ads. 1.9.5 10/06/2022
Audio Recorder - WAV, M4A version 2.7.0
Updated At: 2026-07-20
Changes: Version History Added a waveform / spectrum display screen.
You can now check the spectrum of a recording file linked to playback. 2.7.0 Jul 5 Add the following features to the playback screen:
- Center Cancel / Center Emphasis
- Lch, Rch each mute 2.6.0 Jun 22 - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects.
(Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback.
- You can select two types of time effects. ("Speed / Pitch" or "Varispeed")
("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings
Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen)
You can also restore files on the trash screen.
This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors.
* Fixed a bug with external audio interfaces
We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input.
This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen.
(You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen.
- Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile).
[Note]
Bluetooth HFP (profile for calls) reduces sound quality.
Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023 Added the function to delete multiple recordings at once.
Tap "Edit" at the top right of the top screen to switch the recording list to edit mode.
Select the recording you want to delete and tap the "Trash" button on the top left of the top screen to display a confirmation dialog.
【Note】
Deleted recordings cannot be recovered. please note. 2.0.0 08/15/2023 Fixed an issue that sometimes prevented playback via Bluetooth. 1.9.8 02/22/2023 Added an item to turn OFF/ON the "Move volume bar when recording standby" on the setting screen.
There was a report from a user that "the app crashes when the audio interface (Babyface Pro FS) is connected via USB and the recording screen is displayed." (No problem with another audio interface "UR22mkII")
I was able to avoid the error by turning off "Activate the volume bar when recording standby".
This is a provisional response, but if you experience similar symptoms, please try this setting. 1.9.7 12/31/2022 Confirmed to work on iOS 16. 1.9.6 11/27/2022 Updated the system of the banner ads. 1.9.5 10/06/2022 Fixed the notation of the setting screen. 1.9.4 08/28/2022
Audio Recorder - WAV, M4A version 2.6.0
Updated At: 2026-06-30
Changes: Version History Add the following features to the playback screen:
- Center Cancel / Center Emphasis
- Lch, Rch each mute 2.6.0 Jun 22 - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects.
(Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback.
- You can select two types of time effects. ("Speed / Pitch" or "Varispeed")
("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings
Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen)
You can also restore files on the trash screen.
This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors.
* Fixed a bug with external audio interfaces
We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input.
This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen.
(You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen.
- Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile).
[Note]
Bluetooth HFP (profile for calls) reduces sound quality.
Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023 Added the function to delete multiple recordings at once.
Tap "Edit" at the top right of the top screen to switch the recording list to edit mode.
Select the recording you want to delete and tap the "Trash" button on the top left of the top screen to display a confirmation dialog.
【Note】
Deleted recordings cannot be recovered. please note. 2.0.0 08/15/2023 Fixed an issue that sometimes prevented playback via Bluetooth. 1.9.8 02/22/2023 Added an item to turn OFF/ON the "Move volume bar when recording standby" on the setting screen.
There was a report from a user that "the app crashes when the audio interface (Babyface Pro FS) is connected via USB and the recording screen is displayed." (No problem with another audio interface "UR22mkII")
I was able to avoid the error by turning off "Activate the volume bar when recording standby".
This is a provisional response, but if you experience similar symptoms, please try this setting. 1.9.7 12/31/2022 Confirmed to work on iOS 16. 1.9.6 11/27/2022 Updated the system of the banner ads. 1.9.5 10/06/2022 Fixed the notation of the setting screen. 1.9.4 08/28/2022 Updated the system side. 1.9.3 07/25/2022
Audio Recorder - WAV, M4A version 2.5.2
Updated At: 2026-06-06
Changes: Version History - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26. 2.5.2 Jan 20 Fixed an issue where multiple selections would be cleared when performing an action (delete, share) while editing the recording list. 2.5.1 10/13/2025 Added the ability to save recordings to iCloud Drive. 2.5.0 08/15/2025 Fixed a crash that could occur when moving the playback position during playback. 2.4.6 08/04/2025 Fixed minor operational aspects.
(Fixed a bug where the edit state was not transitioning correctly when pressing "Edit" button while a cell was being swiped.) 2.4.5 07/22/2025 Fixed some minor issues. 2.4.4 04/24/2025 Fixed the file loading process. 2.4.3 03/28/2025 Fixed playback process. 2.4.2 03/17/2025 Fixed some minor display issues. 2.4.1 01/07/2025 - Supports Varispeed (which changes speed and pitch simultaneously) for time effects during playback.
- You can select two types of time effects. ("Speed / Pitch" or "Varispeed")
("Varispeed" was added by user request.) 2.4.0 10/17/2024 * Changed the method for deleting recordings
Supports two-step deletion of recordings. (First, move to the trash in the app, then completely delete on the trash screen)
You can also restore files on the trash screen.
This has been made possible to avoid the risk of accidentally deleting important recordings due to operational errors.
* Fixed a bug with external audio interfaces
We have received reports that the app may crash when starting recording when using an external audio interface with more than 2ch input.
This bug has been fixed. 2.3.0 08/26/2024 The system has been updated. 2.2.1 07/31/2024 Added the search bar to the recording list screen.
(You can only list files with file names that include the text you enter in the search bar.) 2.2.0 01/11/2024 Fixed for minor display issues. (Please update.) 2.1.2 12/18/2023 - Added support for enabling/disabling the swipe of the recording list on the top screen. You can switch it on "Enable swipe for recording list" on the settings screen.
- Added items that can be displayed by swiping the recording list on the top screen. (share, edit, delete) 2.1.1 12/17/2023 Supports recording using Bluetooth HFP (Hands-Free Profile).
[Note]
Bluetooth HFP (profile for calls) reduces sound quality.
Turn off the setting when using Bluetooth A2DP (profile for audio). 2.1.0 11/23/2023 Added "320 kbps" to the bit rate setting item for m4a format. 2.0.1 10/30/2023 Added the function to delete multiple recordings at once.
Tap "Edit" at the top right of the top screen to switch the recording list to edit mode.
Select the recording you want to delete and tap the "Trash" button on the top left of the top screen to display a confirmation dialog.
【Note】
Deleted recordings cannot be recovered. please note. 2.0.0 08/15/2023 Fixed an issue that sometimes prevented playback via Bluetooth. 1.9.8 02/22/2023 Added an item to turn OFF/ON the "Move volume bar when recording standby" on the setting screen.
There was a report from a user that "the app crashes when the audio interface (Babyface Pro FS) is connected via USB and the recording screen is displayed." (No problem with another audio interface "UR22mkII")
I was able to avoid the error by turning off "Activate the volume bar when recording standby".
This is a provisional response, but if you experience similar symptoms, please try this setting. 1.9.7 12/31/2022 Confirmed to work on iOS 16. 1.9.6 11/27/2022 Updated the system of the banner ads. 1.9.5 10/06/2022 Fixed the notation of the setting screen. 1.9.4 08/28/2022 Updated the system side. 1.9.3 07/25/2022 Changed the link of "Developer's site (Support)" on the setting screen. 1.9.2 07/17/2022
Audio Recorder - WAV, M4A version 2.5.2
Updated At: 2026-01-20
Changes: - Added "Free Space" information to the recording screen.
- Confirmed to work on iOS 26 and iPadOS 26.
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