Comparison

AudioStretch Lite vs BalletBox

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

BalletBox

Create custom playlists for ballet classes, adjusting tempo and structure on the fly. New music is added weekly, and you can even use your own iTunes library. A subscription unlocks the full music library after a free trial.

Highlights
  • Adjust tempo and structure of music
  • Create custom playlists for classes
  • Seamless tempo changes during playback
  • Weekly new music additions
  • Import music from iTunes library
  • Request new music tracks
Features
Read full description

Here is the app you've always wanted for your ballet class. Play the songs you love in the tempo and structure you choose. Giving class on the fly? Change the tempo and structure seamlessly even after the music has started! Make a playlist for the different classes you teach- each playlist remembers the options you change, so next time you go back they are waiting for you. New music is added weekly; and you can even request the songs you would like added. Have music already you love? Use music from your iTunes library in your playlists - adjust their tempo and structure! -- In app subscription: Upon installation your free trial of one week begins. After the free trial period ends, a $4.99 auto-renewing monthly subscription titled "Monthly - All Music" must be purchased to provide ongoing access to the ever expanding ballet music library. Payment will be charged to your Apple ID account at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscription by going to your account settings on the App Store after purchase. -- Terms of use: http://www.timprepscius.com/balletbox/1.3/termsofservice.html Privacy policy: http://www.timprepscius.com/balletbox/1.3/privacypolicy.html

Screenshots

AudioStretch Lite4 screens
BalletBox3 screens

Verdict

The call

The clearest difference is in-app purchases: AudioStretch Lite at none against BalletBox's 1. AudioStretch Lite also leads on ratings volume (621 vs 16). On price, rating, review sentiment and update cadence 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. BalletBox sells 1 in-app purchase, starting at $4.99 per month. AudioStretch Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.0 for AudioStretch Lite against 4.1 for BalletBox. That said, the two scores are not equally well evidenced: AudioStretch Lite has 621 ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 73% of AudioStretch Lite's written reviews are positive against 71% of BalletBox's.

UpkeepUpdate frequency

AudioStretch Lite ships an update every 3 months, BalletBox every 4 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

Scorecard3 real differences · 7 level
AudioStretch Lite versus BalletBox: the parameters behind the verdict, then further details
ParameterAudioStretch LiteBalletBox
PriceFreeFree
Rating4.0 (621 ratings)4.1 (16 ratings) — better
Positive reviews72.9% of reviews — better71.4% of reviews
Number of ratings621 — better16
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size18 MB11 MB
Age rating4+4+
DeveloperCognosonic Pte LtdTimothy Prepscius

Customer experience

AudioStretch Lite

All ratings617 ratings
Positive75.0%
Neutral6.5%
Negative18.5%
Written reviews255 reviews
Positive72.9%
Neutral7.5%
Negative19.6%

BalletBox

All ratings16 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

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

BalletBox

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

AudioStretch Lite

No in-app purchases

1 purchases

BalletBox

Subscriptions1
  • Monthly - All Music$4.991 Month

Questions

Is AudioStretch Lite free?
AudioStretch Lite is free to download, with no in-app purchases.
Is BalletBox free?
BalletBox is free to download, with in-app purchases available.
Which has better reviews, AudioStretch Lite or BalletBox?
BalletBox is rated higher. AudioStretch Lite averages 4.0 out of 5 from 621 ratings, while BalletBox averages 4.1 from 16 ratings.
Do AudioStretch Lite or BalletBox have ads?
Neither AudioStretch Lite nor BalletBox shows ads.
Which is updated more often, AudioStretch Lite or BalletBox?
AudioStretch Lite ships an update every 3 months, and BalletBox every 4 months. Most recently, AudioStretch Lite was updated on October 26, 2026 and BalletBox on October 23, 2026.

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