PixiTracker vs AudioStretch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PixiTracker
Create musical sketches, chiptunes, and sound experiments quickly with this simple and fun tool. No extensive musical knowledge is required, making it accessible for all users. Enjoy a warm pixel interface and a pattern-based sequencer with high-quality samples.
- Pixel interface
- Pattern-based sequencer
- High quality sampler
- Sound recorder
- MIDI keyboard support
- WAV export/import
- XM export
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No time to delve into the big and serious music apps? PixiTracker is what you need! It is a simple and fun tool to quickly create musical sketches, chiptunes and sound experiments. Without requiring a lot of musical knowledge! [ Key features ] • true warm pixel interface; • pattern-based sequencer (tracker) with high quality sampler; • several packs with unique sounds; • sound recorder (from microphone or line-in); • MIDI keyboard support; • WAV export/import; • export to XM - this file can be loaded by any modern music tracker/player (for example, SunVox); • Wi-Fi export/import, iTunes File Sharing, audio copy/paste; • Audiobus and IAA support; • PixiTracker is also available for other systems (see the site); • PixiTracker player is open source, so you can freely use it in your own Pixilang applications.
AudioStretch
This tool allows musicians to slow down, loop, and transpose music from audio or video files. It's designed to help users learn songs by ear, experiment with sounds, or simply explore their music library in new ways.
- Import audio or video files
- Capture video with phone camera
- Change speed without changing pitch
- Transpose any music
- Loop difficult sections
- LiveScrub waveform listening
- Keyboard/spectrum transcription aid
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Before you buy AudioStretch, consider first downloading AudioStretch Lite for FREE. Apart from some feature limitations, it's the same as the full (paid) version. The Lite version is a great way to see whether AudioStretch works well for you. 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. DETAILED FEATURES: • Load songs from your Music Library. (Note: songs from Apple Music have DRM and therefore cannot be loaded). • 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 • Speed range -10x to 10x, including zero speed! • Instant freeze to zero speed by double-tapping on speed display • Pitch shift range +/- 36 semitones • 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
Screenshots
Verdict
The clearest difference is rating: PixiTracker at 4.9 against AudioStretch's 4.4. PixiTracker also leads on price ($2.99 vs $9.99). AudioStretch's advantage is chart position (#176 vs unranked). On review sentiment, ratings volume, update cadence and ads 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
PixiTracker costs $2.99 and AudioStretch $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
PixiTracker holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 154 and 230 respectively. Written reviews point the same way: 97% of PixiTracker's written reviews are positive against 89% of AudioStretch's.
PixiTracker ships an update every 4 months, AudioStretch every 3 months. Both last shipped on November 10, 2026.
| Parameter | PixiTracker | AudioStretch |
|---|---|---|
| Price | $2.99 — better | $9.99 |
| Rating | 4.9 (154 ratings) — better | 4.4 (230 ratings) |
| Positive reviews | 96.5% of reviews — better | 88.5% of reviews |
| Number of ratings | 154 | 230 — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #176 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 19 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Zolotov | Cognosonic Pte Ltd |
Customer experience
PixiTracker
AudioStretch
Bugs and requests
PixiTracker
Reported bugs
2 issues- Occasional crashes or freezes reported
- Compatibility issues with older devices
Requested features
5 requests- Add more sound packs and sample libraries
- Implement support for additional time signatures
- Improve pitch/tuning controls for more precise adjustments
- Allow for layering/stacking of track sets
- Implement better export options (e.g. MIDI, MP3)
AudioStretch
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PixiTracker
No in-app purchases
AudioStretch
No in-app purchases









