Audio Unit Player Downloads & RevenueAudio Unit Player · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperLoop-Sessions.LLC.
CategoryMusic
PriceFree
Released
Rating★ 3.9 (32)
Version7.0.6
Age rating4+
First seen by us
23 Oct 2026
📦Updated to version 7.0.6🆕First spotted by AppInsider📦Version 7.0.5🆕Its developer released another app: Audio File Analyzer
Full timeline · 5 events
- 📦Audio Unit Player updated to version 7.0.6Fixed some minor bugs.
- 🆕Audio Unit Player first spotted by AppInsiderUnited States (found via developer)
- 📦Audio Unit Player version 7.0.5- Improved an issue where audio might not play in certain environments.
- Updated the app’s compatibility requirements to iOS / iPadOS 17.0 or later. - 🆕Audio Unit Player: its developer released another app: Audio File Analyzer
- 🆕Audio Unit Player released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
3.9 ★
32 ratings
Measured
Audio Unit Player on the App Store
App details
App ID
734191615
Publisher
Loop-Sessions.LLC.
On the store since
Nov 2013
12 years on the store
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
2
EN JA
Size
6 MB
Also listed in
Utilities
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
3.9 ★
32 ratings
Measured
Ratings
32
Measured
About Audio Unit Player
This app is a music player that can process the following effects in real time.
- Time stretch (0.5-2.0 double speed)
- Pitch shift (-1 ~ +1 octave)
- 31 band equalizer
- Reverb
- AUv3 (Audio Unit v3) host
[Use cases]
- Karaoke's training. (Can be changed speed units of 10%, pitch shift in semitones easily)
- Can playback at reduced tempo to copy phrase for guitar or bass, the keyboard instrument.
- Can playback by changing the pitch to play by changing the key in the band performance (Developer himself has experience).
[Function]
- Perform time stretch (50 - 200%) / pitch shift (-12 - +12) in real time.
- 31 bands EQ (Hz: 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16k, 20k).
- EQ preset (Abundant Built-in Presets / Custom Presets).
- Reverb: Adjustable decay time (Low freq, High freq) / 13 presets
- Reverb preset (Built-in Presets / Custom Presets)
- Can be used as an AUv3 host.
- A-B loop playback.
- Center Cancel / Center Emphasis.
- Lch, Rch each mute.
- Quick fast forward, rewind (specify the number of seconds).
- Check and set current position graphically in wave view.
- Supports Auto-Lock ON/OFF.
- Supports background playback.
- Supports export (file writing) function (Each effect (speed/pitch/EQ) value set for each song is also reflected. The range specified in the loop section is output.)
In addition to loading "music" data included in the standard music app, it also supports the function to import audio files from other apps ("Voice Memos" etc.).
[How to import from "Voice Memos"]
1. Start the app "Voice Memos" and tap the mark "..." of the file to be imported from the list.
2. Tap "Share" on the sheet displayed from the bottom.
3. Tap "More" found by scrolling the displayed list of sharing destination apps to the right.
4. Select "AU Player" if available. The file is copied to this app.
================================================
[Note 1]
This application will not be able to read songs of the following formats.
- Songs from Apple Music, iCloud, iTunes Match
- Songs that are protected by digital copyright (DRM)
[Note 2]
Depending on the state of your device, your custom AUv3 effects may not appear in the list.
As a solution, you can solve the problem by starting "GarageBand" once and restarting this app.
================================================
- Time stretch (0.5-2.0 double speed)
- Pitch shift (-1 ~ +1 octave)
- 31 band equalizer
- Reverb
- AUv3 (Audio Unit v3) host
[Use cases]
- Karaoke's training. (Can be changed speed units of 10%, pitch shift in semitones easily)
- Can playback at reduced tempo to copy phrase for guitar or bass, the keyboard instrument.
- Can playback by changing the pitch to play by changing the key in the band performance (Developer himself has experience).
[Function]
- Perform time stretch (50 - 200%) / pitch shift (-12 - +12) in real time.
- 31 bands EQ (Hz: 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16k, 20k).
- EQ preset (Abundant Built-in Presets / Custom Presets).
- Reverb: Adjustable decay time (Low freq, High freq) / 13 presets
- Reverb preset (Built-in Presets / Custom Presets)
- Can be used as an AUv3 host.
- A-B loop playback.
- Center Cancel / Center Emphasis.
- Lch, Rch each mute.
- Quick fast forward, rewind (specify the number of seconds).
- Check and set current position graphically in wave view.
- Supports Auto-Lock ON/OFF.
- Supports background playback.
- Supports export (file writing) function (Each effect (speed/pitch/EQ) value set for each song is also reflected. The range specified in the loop section is output.)
In addition to loading "music" data included in the standard music app, it also supports the function to import audio files from other apps ("Voice Memos" etc.).
[How to import from "Voice Memos"]
1. Start the app "Voice Memos" and tap the mark "..." of the file to be imported from the list.
2. Tap "Share" on the sheet displayed from the bottom.
3. Tap "More" found by scrolling the displayed list of sharing destination apps to the right.
4. Select "AU Player" if available. The file is copied to this app.
================================================
[Note 1]
This application will not be able to read songs of the following formats.
- Songs from Apple Music, iCloud, iTunes Match
- Songs that are protected by digital copyright (DRM)
[Note 2]
Depending on the state of your device, your custom AUv3 effects may not appear in the list.
As a solution, you can solve the problem by starting "GarageBand" once and restarting this app.
================================================
Latest updates
7.0.6
Fixed some minor bugs.
7.0.5
- Improved an issue where audio might not play in certain environments.
- Updated the app’s compatibility requirements to iOS / iPadOS 17.0 or later.