A/B Audio3.3 - App Store
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Publisher Description
Calling all Musicians, Mixing professionals and Mastering engineers, this app is for you!
A/B audio comparison is the go-to audio tool to achieve the perfect mix or master and is now available on your favorite iOS device.
A/B Audio is perfect for switching live between two mixes or masters so you can instantly hear the changes you made. Loudness match your files with the tap of a button (loudness matching is based on integrated LUFS) for a fair comparison.
*Does this mix need more bass?
*Compression ratio needs tweaking?
*Too much reverb?
*Too less reverb?
*More limiting?
*More chorus?
*More of everything :)???
Use A/B Audio to blast your mixes anywhere and compare your mixes in as many places and situations as you can to achieve the best sounding mix/master for your track.
Load tracks via the Music library (excluding DRM protected content), Drag and Drop on iPad or use your favorite file sharing app.
After deciding which mix or master is the absolute best easily share the file from within the app and let your friends or fellow band members know which version you prefer. We even added a ' Blind test' option to let your ears decide which mix is the best one!
Version History Added loudness matching (based on integrated LUFS).
Removed stop button and changed the play button to toggle between play and pause. 3.3 Jun 21 Fixed an issue where importing files from cloud providers in some cases failed. 3.2 11/14/2025 Updated a few outdated code blocks 3.1 11/09/2025 Optimized for iOS26. 3.0 09/16/2025 Updated marketing and support URLs 2.9 01/29/2024 Minor bugs fixed 2.8 12/23/2023 Fixed file import bug 2.7 12/11/2022 Added blind test option (long press A/B button).
Added swapping A and B slots option (long press A/B button).
Fixed displaying slot names with a "." in the filename. 2.6 11/05/2022 Fixed a bug where sharing a song from the Files app failed. 2.5 04/30/2022 Bugfix for syncing tracks when using REW and FFWD on Lock Screen 2.4 03/28/2022 Fixed delay in stopping audio when using the Stop button. 2.3 11/13/2021 Restore documents directory which might have been accidentally deleted in earlier app versions. 2.2 08/03/2021 Fixed an issue where importing a file would sometimes fail. 2.1 08/02/2021 Fixed an issue where importing a file would sometimes fail. 2.0 08/01/2021 Minor animation tweaks 1.9 03/13/2021 Added macOS version of AB Audio.
Fixed an issue that caused the volume slider to extend beyond the meter edges.
Various UI tweaks for macOS compatibility 1.8 02/13/2021 Optimized for iOS14 1.7 10/22/2020 Added warning when importing DRM protected content
Fixed slider position issue when released outside its bounds 1.6 09/23/2020 Support for iOS13 Dark Mode.
Double tap volume to reset to default.
Audio player(s) will now loop indefinitely.
Bugfix for AirDrop import dialog. 1.5 08/04/2020 Built for iOS13.
Fixed lock screen song position info. 1.4 03/11/2020 Added features:
Hold the stop button for two seconds to reset the song playhead to 0:00.
Better touch sensitivity for the song slot position buttons for easier A/B switching. 1.3 01/03/2019 Fixed share sheet crash on iPad 1.2 09/07/2018 Separate volume controls for A and B slots.
Drag and drop support on iPad. 1.1 06/15/2018 1.0 03/12/2018
About A/B Audio
The company that develops A/B Audio is Andreas Kaspers. The latest version released by its developer is 3.3.
To install A/B Audio on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the A/B Audio as malware if the download link is broken.
How to install A/B Audio on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the A/B Audio is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After A/B Audio is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 3.3
posted on 2026-10-14
Version History Added loudness matching (based on integrated LUFS).
Removed stop button and changed the play button to toggle between play and pause. 3.3 Jun 21 Fixed an issue where importing files from cloud providers in some cases failed. 3.2 11/14/2025 Updated a few outdated code blocks 3.1 11/09/2025 Optimized for iOS26. 3.0 09/16/2025 Updated marketing and support URLs 2.9 01/29/2024 Minor bugs fixed 2.8 12/23/2023 Fixed file import bug 2.7 12/11/2022 Added blind test option (long press A/B button).
Added swapping A and B slots option (long press A/B button).
Fixed displaying slot names with a "." in the filename. 2.6 11/05/2022 Fixed a bug where sharing a song from the Files app failed. 2.5 04/30/2022 Bugfix for syncing tracks when using REW and FFWD on Lock Screen 2.4 03/28/2022 Fixed delay in stopping audio when using the Stop button. 2.3 11/13/2021 Restore documents directory which might have been accidentally deleted in earlier app versions. 2.2 08/03/2021 Fixed an issue where importing a file would sometimes fail. 2.1 08/02/2021 Fixed an issue where importing a file would sometimes fail. 2.0 08/01/2021 Minor animation tweaks 1.9 03/13/2021 Added macOS version of AB Audio.
Fixed an issue that caused the volume slider to extend beyond the meter edges.
Various UI tweaks for macOS compatibility 1.8 02/13/2021 Optimized for iOS14 1.7 10/22/2020 Added warning when importing DRM protected content
Fixed slider position issue when released outside its bounds 1.6 09/23/2020 Support for iOS13 Dark Mode.
Double tap volume to reset to default.
Audio player(s) will now loop indefinitely.
Bugfix for AirDrop import dialog. 1.5 08/04/2020 Built for iOS13.
Fixed lock screen song position info. 1.4 03/11/2020 Added features:
Hold the stop button for two seconds to reset the song playhead to 0:00.
Better touch sensitivity for the song slot position buttons for easier A/B switching. 1.3 01/03/2019 Fixed share sheet crash on iPad 1.2 09/07/2018 Separate volume controls for A and B slots.
Drag and drop support on iPad. 1.1 06/15/2018 1.0 03/12/2018
version 3.2
posted on 2026-06-09
Version History Fixed an issue where importing files from cloud providers in some cases failed. 3.2 11/14/2025 Updated a few outdated code blocks 3.1 11/09/2025 Optimized for iOS26. 3.0 09/16/2025 Updated marketing and support URLs 2.9 01/29/2024 Minor bugs fixed 2.8 12/23/2023 Fixed file import bug 2.7 12/11/2022 Added blind test option (long press A/B button).
Added swapping A and B slots option (long press A/B button).
Fixed displaying slot names with a "." in the filename. 2.6 11/05/2022 Fixed a bug where sharing a song from the Files app failed. 2.5 04/30/2022 Bugfix for syncing tracks when using REW and FFWD on Lock Screen 2.4 03/28/2022 Fixed delay in stopping audio when using the Stop button. 2.3 11/13/2021 Restore documents directory which might have been accidentally deleted in earlier app versions. 2.2 08/03/2021 Fixed an issue where importing a file would sometimes fail. 2.1 08/02/2021 Fixed an issue where importing a file would sometimes fail. 2.0 08/01/2021 Minor animation tweaks 1.9 03/13/2021 Added macOS version of AB Audio.
Fixed an issue that caused the volume slider to extend beyond the meter edges.
Various UI tweaks for macOS compatibility 1.8 02/13/2021 Optimized for iOS14 1.7 10/22/2020 Added warning when importing DRM protected content
Fixed slider position issue when released outside its bounds 1.6 09/23/2020 Support for iOS13 Dark Mode.
Double tap volume to reset to default.
Audio player(s) will now loop indefinitely.
Bugfix for AirDrop import dialog. 1.5 08/04/2020 Built for iOS13.
Fixed lock screen song position info. 1.4 03/11/2020 Added features:
Hold the stop button for two seconds to reset the song playhead to 0:00.
Better touch sensitivity for the song slot position buttons for easier A/B switching. 1.3 01/03/2019 Fixed share sheet crash on iPad 1.2 09/07/2018 Separate volume controls for A and B slots.
Drag and drop support on iPad. 1.1 06/15/2018 1.0 03/12/2018
version 3.2
posted on 2025-11-14
Fixed an issue where importing files from cloud providers in some cases failed.
version v3.0
posted on 2025-09-10
Sep 10, 2025
Version v3.0
Updated support and marketing URLs
version 2.9
posted on 2024-01-20
Jan 20, 2024
Version 2.9
Fixed the deletion of the original files when dragging to the A/B audio app icon.
version 2.8
posted on 2023-12-24
Dec 24, 2023
Version 2.8
Minor bugs fixed
version 2.7
posted on 2022-12-11
Dec 11, 2022
Version 2.7
Fixed issue with opening files from Finder
Disclaimer
Official App Store Link
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