Chet vs Hearing PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chet
Develop your musical ear and master music theory with interactive games and exercises. Learn at your own pace, identify music concepts, and practice with virtual instruments. Track your progress and compete globally to become a more confident and versatile musician.
- Identify music theory concepts
- Call and response exercises
- Virtual piano, guitar, bass
- Guided learning paths
- Intervals, scales, chords exercises
- Global leaderboards
- Spaced repetition practice
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Chet is a music education app with a focus on ear training and music theory. Learn at your own pace, play musical games, and compete against others from around the world! Using Chet helps you to become a more well-rounded, versatile musician. With a trained ear, you can learn songs more quickly, play with others more easily and feel confident in your overall musical abilities! Features: - Multiple choice questions that challenge you to identify music theory concepts. - Call and response questions using a virtual piano, guitar, or bass. - MIDI compatible... so plug in your MIDI keyboard if you have one! - Guided learning paths for beginner and intermediate users. - A library of exercises including intervals, scales, arpeggios, chords, progressions, tonal sequences, famous tunes, and atonal sequences. - Challenge games with competitive global leaderboards. - Professionally recorded music performed by world-class musicians. - A variety of musical genres including jazz, classical, pop and more. - A practice mode that uses spaced repetition. - Sign in to track your progress and compete with other musicians. - Never run out of ways to keep learning with regular updates and new content.
Hearing PRO
Develop your musical ear with a variety of exercises. Practice melodic dictations, learn to read music notes, and train your vocal pitch. Supports multiple instruments and musical notation systems.
- Melodic dictation practice
- Music note reading training
- Vocal pitch training
- Supports multiple instruments
- Multiple musical notation systems
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Hearing PRO - Do ear training exercises. A well-developed relative or absolute pitch is necessary for every musician. Practice melodic dictations. Train to read music notes. Learn to sing according to notes. Develop musical hearing with us. You can practice musical ear using following instruments: - vocals - piano - guitar - bass-guitar - violin - cello - double bass Types of musical notations: - C D E F G A B - C D E F G A H - Do Re Mi Fa Sol La Si - До Ре Ми Фа Соль Ля Си - Ντο Ρε Μι Φα Σολ Λα Σι - ハ ニ ホ ヘ ト イ ロ - 다 라 마 바 사 가 나 - स रे ग म प ध नि - ด ร ม ฟ ซ ล ท
Screenshots
Verdict
The clearest difference is review sentiment: Chet at 96% against Hearing PRO's 21%. Chet also leads on price (Free vs $1.99) and rating (4.8 vs 3.9). Hearing PRO's advantage is iOS requirement (12.0 vs 18.0). On ads, in-app purchases, monetization model 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
Chet is free to download; Hearing PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Chet holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Chet has 2.4K ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 96% of Chet's written reviews are positive against 21% of Hearing PRO's.
Chet ships an update every 5 weeks, Hearing PRO every 32 months. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.
| Parameter | Chet | Hearing PRO |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.8 (2.4K ratings) — better | 3.9 (21 ratings) |
| Positive reviews | 96.0% of reviews — better | 20.5% of reviews |
| Number of ratings | 2.4K — better | 21 |
| Update frequency | Every 5 weeks — better | Every 32 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 117 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Ensemble Education | Dmitry Zaika |
Customer experience
Chet
Hearing PRO
Bugs and requests
Chet
Reported bugs
3 issues- App not loading or freezing
- Incorrect labeling of intervals
- Timed exercises not functioning properly
Requested features
7 requests- Add Chinese language support
- Incorporate guitar-specific exercises
- Introduce a hands-free mode
- Reinstate the previous practice mode
- Expand the range of musical genres and styles
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- Add an option to change the tonic note
- Introduce a daily streak feature
Hearing PRO
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Chet
No in-app purchases
Hearing PRO
No in-app purchases









