Slav Button vs Know Notes
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Slav Button
Trigger a collection of hard bass songs to entertain friends. Perfect for gatherings and enjoying music while squatting.
- Hard bass song collection
- Entertain friends
- Squatting music
- Gopnik theme
- Over 60 songs
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Use this button to entertain your gopnik friends with the best hard bass collection. More than 60 hard bass songs that you can listen while squatting with friends outside local shashlik place. This game is brought to you by the power of the mayonez. Stay cheeki breeki
Know Notes
Develop your musical ear by learning to identify notes and chords by sound. This gamified app makes practicing fun and competitive, allowing you to progress from basic notes to sharps and flats.
- Ear training
- Note recognition
- Chord recognition
- Gamified learning
- Progressive difficulty
- Natural notes, sharps, and flats
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Train Ears, Master Music. Learn to recognize musical notes and chords by their unique sound. Gamified to make learning fun and competitive. Start small, then work your way up to learn every natural note and their sharp/flat.
Screenshots
Verdict
The clearest difference is in-app purchases: Slav Button at none against Know Notes's 6. Slav Button also leads on device support (3 vs 1) and ratings volume (98 vs 32). Know Notes's advantage is update cadence (fortnightly vs monthly). On price, rating, review sentiment 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
Both are free to download. Know Notes sells 6 one-off in-app purchases. Slav Button asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Slav Button against 4.9 for Know Notes. Both are backed by a comparable volume of ratings — 98 and 32 respectively. Written reviews are what separate them: 90% of Slav Button's written reviews are positive against 96% of Know Notes's.
Slav Button ships an update monthly, Know Notes fortnightly. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.
| Parameter | Slav Button | Know Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (98 ratings) | 4.9 (32 ratings) |
| Positive reviews | 90.3% of reviews | 95.7% of reviews — better |
| Number of ratings | 98 — better | 32 |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 146 MB | 107 MB |
| Age rating | 9+ | 4+ |
| Developer | Karlo Bencic | wylan neely |
Customer experience
Slav Button
Know Notes
In-app purchases
Slav Button
No in-app purchases
Know Notes
- Violin Notes$0.99
- Electronic Keyboard Notes$0.99
- Grand Piano Notes$0.99
Show 3 moreShow fewer
- Unlock Violin Instrument$2.99
- Acoustic Guitar (Major Chords)$2.99
- Unlock Acoustic Guitar$3.99
