ET vs Matthew Garrison
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ET
Enhance your musical ear with interactive exercises designed for musicians of all levels. Practice active and passive hearing through a variety of drills, including interval recognition, chord identification, and melodic imitation using your instrument or voice. The app offers a unique dialogue feature with integrated voicing generation for accurate feedback.
- Active and passive hearing exercises
- Microphone-based instrument/voice feedback
- Integrated voicing generator for chords
- Customizable educational guidance
- Over 280 achievements and score publishing
- Support for over 40 scales and 140 chord progressions
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Yet another ear-training app? Well, this one is different! Playing jazz, pop and improvised music means being able to quickly recognize and replay what you hear. Although this app began as an ear-training tool for students of jazz and pop at the Zurich University of the Arts (ZHdK), it is also intended for musicians playing in other styles, and at all levels. It was developed by Swiss IT specialist and jazz trumpeter Daniel Schenker, professor at ZHdK, in collaboration with his son Elia. How it works The app offers a host of ear-training exercises, many of them quite enjoyable, all designed to enhance both active and passive hearing. Active hearing means reproducing what you have heard on an instrument or with your voice, while passive hearing refers to the ability to identify such things as the scales, triads and four-note-chords, tensions and slash chords, on which active hearing is based. One of the features that make our app so special is the fact that its microphone enables a sort of dialogue between the app and the musician – whether on voice, brass and reed instruments, guitar, piano or electric bass. Unlike other apps, this one uses an integrated voicing generator to ensure that the chords played (position, voicing) correspond to the actual performance situation. In addition, the app uses a detailed educational guidance system, which allows users to individually customize the exercises. You can obtain over 280 achievements. Compete with other users and publish your high scores and trophies! Active exercises (microphone) - Five-tone range imitation, major and minor: suitable for younger students or amateurs - Diatonic imitation: reproduction of notes in a particular key, vocally or on an instrument - Atonal imitation: improvement of relative or referential hearing - Tone sequences (2 - 6 tones) - Intervals - Resolution game: technique for the improvement of downward interval singing or playing - Bass imitation exercises: double bass notes and root notes of various chords are to be reproduced vocally or on an instrument, a central skill that is often underdeveloped - Sing or replay chord tensions (e.g. #9, b13) - Scales sandbox: imitation practice in tonal spaces from over 40 different scales - Tonal memory game Passive exercises (identification practice) - Intervals / Interval series - Triads/four-note-chords in root position and inversion; top note positions - Four-note-chords with one tension (17 types) and with two tensions (15 types) - All 12 major and minor triads above a root note (slash chords/hybrids) - Identification of scales, modes and over 140 jazz, pop and classical chord progressions Depending on the setting, the chords can also be played arpeggiated. The app supports Bluetooth MIDI (iPhones only). For whom is the app intended? - Singers both amateur and professional who want to incorporate (noteless) ear training exercises into their practice programme. - Musicians in primary and secondary school, musicians and singers preparing for university entrance exams (practical theory), and conservatory students - Musicians and singers of all genres, especially jazz/pop/rock, who want to freshen up or expand their chord vocabulary - Brass players: control in mouthpiece exercises (buzzing)
Matthew Garrison
Access a comprehensive archive of an artist's creative works, including albums, audio/video content, charts, scores, lessons, and live streams. This platform is continuously updated with new material.
- Archive of creative works
- Audio and video content
- Music charts and scores
- Lessons and live streams
- Continuously updated content
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This app contains a living and evolving archive of the creative works of Matthew Garrison. You will find past albums, new albums, audio and video content, music charts and scores, lessons and live streams all in one place that will be continuously updated as Matthew develops more content. Terms of Use (EULA): https://www.garrisonjazz.com/terms-of-use.html
Screenshots
Verdict
The clearest difference is price: Matthew Garrison at Free against ET's $5.99. Matthew Garrison also leads on update cadence (fortnightly vs every 2 months). ET's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 18.4). 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
Matthew Garrison is free to download; ET costs $5.99 up front. Matthew Garrison sells 2 in-app purchases, starting at $4.99 per month. ET asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for ET against 5.0 for Matthew Garrison. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
ET ships an update every 2 months, Matthew Garrison fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | ET | Matthew Garrison |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Vision Pro — better |
| Requires iOS | 12.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 97 MB | 60 MB |
| Age rating | 4+ | 17+ |
| Developer | Daniel Schenker | ShapeShifter Lab Productions Inc |
Customer experience
ET
Matthew Garrison
In-app purchases
ET
No in-app purchases
Matthew Garrison
- Monthly Subscription$4.991 Month
- Yearly Subscription$64.991 Year









