Audio Unit Player vs Let’s Unmix Audio Unit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Audio Unit Player
This music player offers real-time audio processing, including time stretching, pitch shifting, and a 31-band equalizer. It supports AUv3 effects and allows for A-B loop playback, making it ideal for practice, transcription, and performance adjustments.
- Real-time time stretch (50-200%)
- Real-time pitch shift (-12 to +12 semitones)
- 31-band equalizer with presets
- AUv3 effects support
- A-B loop playback
- Background playback
- Audio file export
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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. ================================================
Let’s Unmix Audio Unit
Separate vocals, instruments, and more from your music. Integrate with DAWs on iOS and macOS for custom mixes, practice, or remixing. Offers multi-bus output and individual track volume control.
- Isolate vocals and instruments
- AUv3 plugin integration
- Multi-bus output for effects
- Individual track volume control
- Loop playback
- Import from Music Library/Files
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Unleash the Power of Your Music Isolate Vocals, Instruments & More: Separate vocals, drums, bass, piano, and other instruments from your favorite songs. Create custom mixes, practice singing acapella, or isolate specific instruments for learning or remixing. Works Seamlessly with Your Favorite DAWs: This app functions as an Audio Unit v3 (AUv3) plugin, allowing you to integrate it directly into popular host apps like AUM, AudioBus, apeMatrix, and more on iOS. MacOS Compatibility: Elevate your workflow on Apple Silicon Macs. Use the app as a plugin within Logic Pro and GarageBand for even more versatility. (version 1.4 or later) Unparalleled Control: Multi-Bus Output: Route each separated track (stem) to a dedicated audio bus, enabling independent effects processing for personalized results. Loop Playback: Perfect loops for seamless practice or creative exploration. Individual Track Volume Control: Fine-tune the volume of each instrument for your ideal mix. Unlock Full Potential (Free Trial Included): The free trial allows separation of the first 90 seconds of each song. With a single in-app purchase, you gain access to unlimited song length and separation for all your music. Flexible Import Options: Import audio files directly from your Music Library or Files app. (DRM-protected files not supported) Supported Import File Formats: mp3 m4a wav flac aif
Screenshots
Verdict
The clearest difference is ads: Let’s Unmix Audio Unit at none against Audio Unit Player's shown. Let’s Unmix Audio Unit also leads on monetization model (free with in-app purchases vs paid) and iOS requirement (15.4 vs 17.0). Audio Unit Player's advantage is rating (3.9 vs 3.4) and update cadence (every 2 weeks vs every 4 months). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Audio Unit Player sells 1 one-off in-app purchase and Let’s Unmix Audio Unit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Audio Unit Player holds the better App Store score, 3.9 against 3.4. Both are backed by a comparable volume of ratings — 32 and 9 respectively. Written reviews point the same way: 67% of Audio Unit Player's written reviews are positive against 50% of Let’s Unmix Audio Unit's.
Audio Unit Player ships an update every 2 weeks, Let’s Unmix Audio Unit every 4 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | Audio Unit Player | Let’s Unmix Audio Unit |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (32 ratings) — better | 3.4 (9 ratings) |
| Positive reviews | 66.7% of reviews — better | 50.0% of reviews |
| Number of ratings | 32 — better | 9 |
| Update frequency | Every 2 weeks — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.4 — better |
| Further details — not scored | ||
| Size | 5 MB | 189 MB |
| Age rating | 4+ | 4+ |
| Developer | Loop-Sessions.LLC. | Hikaru Tsuyumine |
Customer experience
Audio Unit Player
Let’s Unmix Audio Unit
In-app purchases
Audio Unit Player
- Always remove banner ads.$3.99
Let’s Unmix Audio Unit
- Premium Edition$4.99
Questions
Is Audio Unit Player free?
Is Let’s Unmix Audio Unit free?
Which has better reviews, Audio Unit Player or Let’s Unmix Audio Unit?
Do Audio Unit Player or Let’s Unmix Audio Unit have ads?
Which is updated more often, Audio Unit Player or Let’s Unmix Audio Unit?
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