Audio Unit Player vs TuneRoster
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. ================================================
TuneRoster
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TuneRoster is the private project room built for independent artists, bands, producers, and songwriting teams. Keep the entire record organized from the first lyric draft to the final distributor delivery without scattering decisions across notes apps, message threads, cloud folders, and spreadsheets. WRITE AND DEVELOP SONGS • Organize singles, EPs, albums, and mixtapes • Store multiple lyric drafts for every song • Track BPM, musical key, meter, notes, and production status • Move tracks through Writing, Recording, Mixing, Mastering, and Distribution • Create custom project statuses for your own workflow REVIEW MIXES WITH PRECISION • Import and audition multiple mix versions • Compare versions from the same playback position • Review audio with a visual waveform • Add written feedback at exact timestamps • Record voice feedback alongside written notes • Mark the approved mix while keeping earlier bounces available FINISH THE RELEASE • See every track on a visual production pipeline • Build a release checklist with custom milestones • Add deadlines, overdue indicators, and reminders • Track credits, roles, and ownership splits • Set album-wide mix and mastering direction separately from track notes • Monitor release readiness at a glance KEEP EVERY ASSET READY • Open uploaded images in a full-screen swipeable gallery • Preview imported documents without leaving the project • Keep album-level contracts, metadata, and release documents in the Album Asset Vault • Attach lyric PDFs, chord charts, session sheets, and other documents to individual tracks • Export a readable report, a ready-made track data CSV, a custom CSV, and a JSON project archive • Hand off track titles, BPM, key, meter, lyrics, credits, and splits in one CSV • Share individual audio files and documents with people who do not use TuneRoster PRIVATE BY DESIGN TuneRoster does not require a separate account. Your project library stays in the app on your device. There are no ads or third-party advertising profiles. Start with three tracks for free across any mix of singles, EPs, albums, and mixtapes. Unlock unlimited local projects and tracks forever for $9.99. This is a one-time purchase with no subscription.
Screenshots
Verdict
The clearest difference is ads: TuneRoster at none against Audio Unit Player's shown. TuneRoster also leads on update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement 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 TuneRoster sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Audio Unit Player ships an update every 2 weeks, TuneRoster every 3 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | Audio Unit Player | TuneRoster |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (32 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 32 — better | — |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Loop-Sessions.LLC. | Nicolas Techer |
In-app purchases
Audio Unit Player
- Always remove banner ads.$3.99
TuneRoster
- TuneRoster Local$9.99
Questions
Is Audio Unit Player free?
Is TuneRoster free?
Do Audio Unit Player or TuneRoster have ads?
Which is updated more often, Audio Unit Player or TuneRoster?
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