Comparison

Time Stretch (Speed Change) vs TuneRoster

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Time Stretch (Speed Change)

This music player allows real-time audio processing, including adjustable playback speed and a 31-band equalizer. It supports AUv3 effects, A-B looping, and background playback, with options to import audio files from other apps.

Highlights
  • Real-time time stretch (50-200%)
  • 31-band equalizer with presets
  • AUv3 effects support
  • A-B loop playback
  • Center Cancel/Emphasis
  • Background playback
  • Audio file export
Read full description

[ Important Notice ] With this version (7.0.0), we are ending regular updates for this app. You can continue using this app, but future development and updates will continue in 'Audio Unit Player', which includes this app's functionality. 'Audio Unit Player' is a free app that supports both speed and pitch adjustment and includes a 31-band equalizer with no band restrictions. Data Transfer: File information registered in this app is not transferred automatically to 'Audio Unit Player'. Use the Files app to manually copy any files you need."; ================================================ This app is a music player that can process the following effects in real time. - Time stretch (0.5-2.0 double speed) - 31 band equalizer (required In-App Purchase) - Reverb - AUv3 (Audio Unit v3) host If you play a musical instrument, this app should be supported by you lower the speed and play when you copy of a musical piece. [Function] - Perform time stretch in real time (50 - 200%). - 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). (Initiality, only 3 bands are available. It's possible to use 31 bands by In-App Purchase.) - EQ preset (Abundant Built-in Presets / Custom Presets) (required In-App Purchase). - 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/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 "Time Stretch" 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. ================================================

About

TuneRoster

Features
Read full description

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

Time Stretch (Speed Change)2 screens
TuneRoster4 screens

Verdict

The call

The clearest difference is ads: TuneRoster at none against Time Stretch (Speed Change)'s shown. TuneRoster also leads on update cadence (every 3 days vs every 6 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Time Stretch (Speed Change) sells 2 one-off in-app purchases and TuneRoster sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Time Stretch (Speed Change) ships an update every 6 weeks, TuneRoster every 3 days. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
Time Stretch (Speed Change) versus TuneRoster: the parameters behind the verdict, then further details
ParameterTime Stretch (Speed Change)TuneRoster
PriceFreeFree
Rating3.6 (21 ratings) — better—
Positive reviews65.8% of reviews—
Number of ratings21 — better—
Update frequencyEvery 6 weeksEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size5 MB9 MB
Age rating4+4+
DeveloperLoop-Sessions.LLC.Nicolas Techer

In-app purchases

2 purchases

Time Stretch (Speed Change)

One-time2
  • 31 bands equalizer$0.99
  • Always remove banner ads.$2.99
1 purchases

TuneRoster

One-time1
  • TuneRoster Local$9.99

Questions

Is Time Stretch (Speed Change) free?
Time Stretch (Speed Change) is free to download, with in-app purchases available.
Is TuneRoster free?
TuneRoster is free to download, with in-app purchases available.
Do Time Stretch (Speed Change) or TuneRoster have ads?
Time Stretch (Speed Change) shows ads; TuneRoster does not.
Which is updated more often, Time Stretch (Speed Change) or TuneRoster?
Time Stretch (Speed Change) ships an update every 6 weeks, and TuneRoster every 3 days. Most recently, Time Stretch (Speed Change) was updated on October 23, 2026 and TuneRoster on October 14, 2026.

Other comparisons