OnKey vs MyMusicNote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OnKey
This app generates readable, note-based exercises for practicing scales and chords. It's ideal for musicians of all levels looking for a focused and efficient way to improve their technique and theory knowledge without manual preparation.
- Generate note-based exercises
- Select scale or chord type
- Transpose to any key
- Set range and clef
- Choose from various patterns
- Add note names and time signatures
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OnKey Scale Practice is a simple, effective tool that helps musicians practice scales and chords with clarity and focus. Just enter your preferences and instantly generate readable, note-based exercises—no more flipping through books or writing them out by hand. Perfect for warm-ups, technique drills, or theory work, whether you're a beginner or an advanced player. Features: Select your scale or chord type Transpose to any key Set your range and clef Choose from various patterns Add note names and time signatures Designed for flexibility. Built for clarity. For all instruments.
MyMusicNote
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This music notebook will be useful for almost every musiciant! If you have learned a large number of pieces, then you probably have come across a situation that you cannot remember in what key, or what chords are in a particular song. Then this app is for you. Save all your songs and quickly find what you want to play. You can also import the words and chords of well-known songs from the Internet to speed up your typing time.
Screenshots
Verdict
The clearest difference is price: MyMusicNote at Free against OnKey's $4.99. OnKey's advantage is update cadence (every 2 months vs every 7 months) and iOS requirement (14.1 vs 16.0). On ads, in-app purchases 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
MyMusicNote is free to download; OnKey costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
OnKey ships an update every 2 months, MyMusicNote every 7 months. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.
| Parameter | OnKey | MyMusicNote |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Rea Meir | Oleg Levkutnik |
In-app purchases
OnKey
No in-app purchases
MyMusicNote
No in-app purchases


