AudioStretch Lite vs Rarelygroovy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AudioStretch Lite
This app allows musicians to slow down, loop, and transpose music from audio or video files. It also enables capturing video directly with your phone's camera for transcription. Ideal for learning songs by ear or experimenting with sound.
- Slow down audio/video without pitch change
- Loop difficult sections
- Transpose music notes
- Import audio/video files
- Capture video with phone camera
- Live waveform scrubbing
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As a musician one of the most helpful tools you can have is the ability to slow-down, loop or auto-transpose the notes for a piece of music you are trying to learn. AudioStretch is the world’s first audio and video transcription tool. Now you can manipulate the pitch, speed and transcribe your tunes from both audio and video files; or by using your phone’s camera you can capture video directly into AudioStretch and transcribe it! FEATURES INCLUDE: Import audio or video files Capture video with your phone camera for transcription Change the speed of files without changing the pitch Listen to the individual notes as you drag the waveform Play audio and video at zero speed Transpose any music Loop difficult to learn sections With AudioStretch you get all of this in an incredibly responsive and easy-to-use app. Ideal for transcription, learning songs by ear, crazy sonic experimentation, or just listening to your music library in a new way. Note: This is the LITE edition of AudioStretch, which has a few feature limitations. To get all the features, without the limitations, consider buying the Full version. LIMITATIONS OF LITE VERSION: • Max song duration 3 minutes (full version 3 hours) • Speed range from -1.5x to 1.5x (full version -10x to +10x) • Pitch shift +/- 3 semitones (full version +/- 36 semitones) DETAILED FEATURES: • Load songs from your Music Library • Document Picker import/export option supports iCloud, OneDrive, and more • Open Dropbox files and email attachments via "Open In" • LiveScrub™ : listen as you drag/hold the waveform • Instant freeze to zero speed by double-tapping on speed display • Keyboard/spectrum feature for transcription • Super-fine speed/pitch adjustment via drag left-right on speed/pitch display • Flexible looping feature • No ads or in-app purchases If you run into any problems with AudioStretch or AudioStretch Lite, please contact support@audiostretch.com
Rarelygroovy
Discover local music events and explore a comprehensive archive of artists from the Rio Grande Valley. Find out who's playing near you and learn more about the musicians in your community.
- Local event listings
- Artist archive
- Rio Grande Valley focus
- Discover local musicians
- Event discovery
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event listing and artist archive for local events and artists in the Rio Grande Valley (Texas)
Screenshots
Verdict
The clearest difference is rating: Rarelygroovy at 5.0 against AudioStretch Lite's 4.0. Rarelygroovy also leads on update cadence (every 2 weeks vs every 3 months). AudioStretch Lite's advantage is in-app purchases (none vs 1) and ratings volume (617 vs 3). On price, ads 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. Rarelygroovy sells 1 one-off in-app purchase. AudioStretch Lite asks for nothing beyond the download.
Rarelygroovy holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: AudioStretch Lite has 617 ratings behind it against 3, so its average is the more settled of the two.
AudioStretch Lite ships an update every 3 months, Rarelygroovy every 2 weeks. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.
| Parameter | AudioStretch Lite | Rarelygroovy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (617 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 72.9% of reviews | — |
| Number of ratings | 617 — better | 3 |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 18 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Cognosonic Pte Ltd | Eduardo Trevino |
Customer experience
AudioStretch Lite
Rarelygroovy
Bugs and requests
AudioStretch Lite
Reported bugs
3 issues- Audio stops working after a while
- Video disappears when trying to screen record
- Crashes when trying to export or share content
Requested features
3 requests- Add more editing tools and effects
- Improve loop management and save options
- Implement night mode and other visual customizations
Rarelygroovy
Not enough reviews yet to summarise bugs or requests.
In-app purchases
AudioStretch Lite
No in-app purchases
Rarelygroovy
- Rarelygroovy+$4.99
Questions
Is AudioStretch Lite free?
Is Rarelygroovy free?
Which has better reviews, AudioStretch Lite or Rarelygroovy?
Do AudioStretch Lite or Rarelygroovy have ads?
Which is updated more often, AudioStretch Lite or Rarelygroovy?
Other comparisons
