Drumgenius vs AudioStretch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Drumgenius
Explore an encyclopedia of drum grooves from Jazz to Rock, played by legendary drummers. Practice with expert virtual drummers to develop your time-feel and expand rhythmic knowledge. Includes a smart metronome with "clave" and "swing regulator" features.
- Encyclopedia of 500+ drum grooves
- Play along with master drummers
- Develop time-feel and rhythm knowledge
- Stretchable and loopable drum loops
- Smart Metronome with clave and swing regulator
- Descriptions and discography references
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Master your sense of time by practicing with a drum genius! Created after years of research by Mauro Battisti (experienced musician and specialist in the field), Drumgenius is the choice of top players and leading music academies. An ever-growing rhythm library to practice on — 500+ loops across 21 styles, reproducing real grooves by the best drummers and following authentic patterns of rhythms from around the world. The loop player is packed with dedicated functions that put you in full control of every practice session. In-depth descriptions and insights offer a deeper understanding of the world of rhythm. Plus, using Metrogenius, the smart built-in metronome — with a fully editable library of 9 meters + 22 clave patterns — you can explore everything from basic patterns to the most complex rhythmic cycles. Easy Organization & Backup: Personalize your library by renaming loops, creating custom groups, and starring favorites. Save different practice setlists into single backup files to switch setups whenever you need, restore in a single tap on new devices, or share with friends, students, and fellow musicians. THE LOOP LIBRARY IS CONSTANTLY GROWING AND CURRENTLY INCLUDES: Afro-Cuban — 65 Boogaloo — 9 Brazilian — 53 Caribbean — 22 Country — 4 Disco — 3 Funky — 24 Gospel — 5 Hip-Hop — 5 Jazz — 53 Jazz – 3/4 — 9 Jazz – Ballad — 7 Jazz – Straight 8ths — 10 Jazz – Two Feel — 10 Jungle/D&B — 3 Neo Soul — 3 New Orleans — 14 Odd Time Signatures — 46 Polymeters — 17 Pop — 12 R&B — 3 Rock — 26 Shuffle — 17 Swing Lab — 24 World — 65 12/8 — 7 LOOP PLAYER TOOLS: • Count-in: Activate it if you don't want to miss the one. • Clave: Activate it to hear the rhythm backbone. Perfect for navigating tricky rhythms with confidence. • Play X Cycles: Structure your practice session by setting the exact number of repetitions for each loop. • Internal Loop Recording: Record yourself over the loop. Track your progress and share the recordings with peers and teachers. • Silence Mode (Internalize the Time): Set intervals of silence while the tempo keeps running — the ultimate test of your internal clock. • Time Morph (Rhythmic Elasticity): Accelerate and decelerate the loop in a continuous cycle, training you to react to the tempo in real time. STAY MOTIVATED: • Weekly Goals: Set practice targets, track your consistency, and share your achievements with a tap. WHAT MUSICIANS SAY: ▶ "Mauro Battisti has made it possible for anyone to play along with the greatest drummers in the world, historical and contemporary, with the ability to alter tempo. Drumgenius is a great resource that can bring any player closer to the flame." — Dave Liebman ▶ "Drumgenius sounds very good; I find it very handy to practice my instrument with real drums pattern that I can have always with me in my phone: thanks Mauro for this App." — Dominique Di Piazza, electric bass player (John McLaughlin, Trilok Gurtu, Biréli Lagrène, Dennis Chambers) ▶ "Love this app: these loops sound fantastic! They are real drum loops — not MIDI or sequences — and they loop flawlessly. A fantastic groove reference for musicians of any kind." — Damian Erskine, electric bass player (Peter Erskine, The Jaco Pastorius Big Band, Gino Vannelli, Tony Furtado), studio musician, author, adjunct professor at Portland State University ▶ "Drumgenius is a world-class teaching aid that addresses a fundamental challenge to successful performance practice for any musician: it is a virtuoso educational work by a true musical virtuoso!" — Harold Danko, jazz pianist (Lee Konitz, Chet Baker, Thad Jones & Mel Lewis Big Band), composer, Professor of Jazz Studies & Contemporary Media at Eastman School of Music, Rochester, NY, USA Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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 price: Drumgenius at Free against AudioStretch's $9.99. Drumgenius also leads on update cadence (every 8 days vs every 3 months). AudioStretch's advantage is in-app purchases (none vs 4) and review sentiment (89% vs 76%). On rating, ratings volume, 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
Drumgenius is free to download; AudioStretch costs $9.99 up front. Drumgenius sells 4 one-off in-app purchases. AudioStretch asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Drumgenius against 4.4 for AudioStretch. Both are backed by a comparable volume of ratings — 230 and 223 respectively. Written reviews are what separate them: 76% of Drumgenius's written reviews are positive against 89% of AudioStretch's.
Drumgenius ships an update every 8 days, AudioStretch every 3 months. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.
| Parameter | Drumgenius | AudioStretch |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.5 (230 ratings) — better | 4.4 (223 ratings) |
| Positive reviews | 76.4% of reviews | 88.5% of reviews — better |
| Number of ratings | 230 — better | 223 |
| Update frequency | Every 8 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #114 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Projazz Lab | Cognosonic Pte Ltd |
Customer experience
Drumgenius
AudioStretch
Bugs and requests
Drumgenius
Reported bugs
3 issues- Purchased loops disappearing
- Inability to download/play some loops
- Crashes when downloading loops
Requested features
5 requests- Add more world rhythms and genres like Amapiano
- Add more Tony Williams-style medium-uptempo swing tracks
- Add ability to export/share loops
- Add dark mode support
- Improve organization and browsing of purchased loops
AudioStretch
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Drumgenius
- 10 credits pack$0.99
- 50 credits pack$1.99
- Infinite Credits pack$7.99
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- Lifetime Access$12.99
AudioStretch
No in-app purchases








