Time Stretch (Speed Change)

Time Stretch (Speed Change)

By Loop-Sessions

Time Stretch (Speed Change) is a music utility for iOS that provides real-time audio speed adjustment and 31-band equalization for transcription and practice.

The App DNA

What makes this app unique?

The app removes the cognitive cost of transcribing music by allowing users to slow down complex passages without altering pitch, a utility that displaces manual tape-looping or basic playback tools.

For Musicians and students who need to slow down or adjust audio tracks for practice and transcription.

What does it look like?

Key features

Time Stretchstandard

Adjusts audio playback speed between 50% and 200% in real time, serving as a core retention lever for musicians.

31-Band Equalizeredge

Provides granular frequency adjustment; gated behind In-App Purchase to drive paid conversion.

AUv3 Hostedge

Allows the app to function as an Audio Unit v3 host, increasing switching costs for professional users.

How much does it cost?

freemiumFree with banner adsIn-App Purchase for 31-band equalizer and custom presets

Freemium model with ad-supported free tier and IAP gates for advanced audio processing features.

Velocity

Maintenance developmentplatform expansionShow more...

The app has transitioned to a maintenance state, with the latest release explicitly announcing the cessation of future development. While the app remains functional, the publisher has shifted focus to a separate application for ongoing feature support and updates. No new features or content are expected, as the current release serves primarily as a final notice to the user base. The development cycle has effectively concluded as of August 2026.

See all version history

Who built it?

Loop-Sessions

12 apps tracked · Music

Piano Chords Master [Classic]Piano Chords Master [Classic]Audio File AnalyzerAudio File AnalyzerChords PadChords PadPiano Chords MasterPiano Chords MasterNu-Movie ~ Export Video/AudioNu-Movie ~ Export Video/AudioMultiple Tone GeneratorMultiple Tone GeneratorAudio / Spectrum AnalyzerAudio / Spectrum AnalyzerInstaChord-iInstaChord-iAudio Recorder - WAV, M4AAudio Recorder - WAV, M4APitch Shift / 31 bands EQPitch Shift / 31 bands EQAudio Unit PlayerAudio Unit Player
Explore the full publisher profile

User Sentiment

What do users think recently?

Review voice lately leans mixed. Users appreciate music transcription capabilities provide a powerful tool for musicians needing to stretch audio files.

How are ratings & reviews evolving?

App Store
3.57 · 21

What users say, by theme

What Users Love
  • Music transcription capabilities provide a powerful tool for musicians needing to stretch audio files
What Frustrates Users
  • Lack of clear instructions on how to import audio files makes the app feel unusable
What Users Want 1 request inside

3 of 3 recent reviews analyzed · limited sample

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Unlock 1 user request, each backed by review evidence.

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Competition

Competitive landscape for Time Stretch (Speed Change)

How's the Music market?

Time Stretch (Speed Change) maintains a niche presence in the music utility category with a 3.57-star rating. The lack of recent feature updates, combined with the transition to a successor app, signals a shift away from active market competition.

The rivals identified

The Analyst's Read

Key takeaways for Time Stretch (Speed Change)

Where is it heading?

The music utility market is consolidating around players that offer both speed control and advanced AUv3 integration. Time Stretch (Speed Change) is effectively exiting this space, and the PM must focus on minimizing user loss during the transition to the successor app.

  • The end of regular development for Time Stretch (Speed Change) signals a decline in utility, as users must migrate to a new app to receive future updates.

The SWOT

Core Strengths
  • AUv3 host integration creates a defensible barrier for professional users.
  • Real-time time-stretching engine provides a core utility that sustains the user base.
Critical Frictions 2 weaknesses inside
Growth Levers
  • Migration of existing users to Audio Unit Player could be accelerated by providing a direct, in-app file-transfer utility.
Market Threats 1 threat identified

Next best moves

1 Invest

Ship a direct file-transfer utility to Audio Unit Player because the current manual process drives user churn → increase migration success

The counter-intuitive read

The maintenance-mode status is not a failure but a strategic consolidation…

Read the full take

Since the last report: The developer transitioned from a passive sunset strategy to an active migration effort, specifically targeting the high-friction file-transfer process to retain the user base.

Bottom line

Time Stretch (Speed Change) holds a niche position through its AUv3 host capability, but the transition to a successor app necessitates a focus on user migration. Prioritizing a seamless data-transfer path for existing users will protect the user base during the sunset phase.

Unlock 2 critical frictions, 1 market threat and the analyst’s take.

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FAQ

Is Time Stretch (Speed Change) still being updated?
No, the developer has announced the end of regular updates for Time Stretch (Speed Change) and is directing users to migrate to their new app, Audio Unit Player.
How do I move my files to the new Audio Unit Player app?
The developer states that file information is not transferred automatically. You must use the iOS Files app to manually copy any files you need from Time Stretch (Speed Change) to the new Audio Unit Player app.
What is the difference between Time Stretch and Audio Unit Player?
Time Stretch (Speed Change) is a legacy app that is no longer receiving updates. Audio Unit Player is the developer's new, free app that includes the same functionality plus a 31-band equalizer with no band restrictions.

Sources

  1. [1] App Store

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Time Stretch (Speed Change), its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The developer transitioned from a passive sunset strategy to an active migration effort, specifically targeting the high-friction file-transfer process to retain the user base.

added

New SWOT items

shifted

Migration Strategy

Cite this report

Marlvel.ai. “Time Stretch (Speed Change) Intelligence Report.” Updated Sep 9, 2026. https://marlvel.ai/apps/time-stretch-speed-change

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