Know Notes vs Marbles PS RH+
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
Marbles PS RH+
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Try to place all the marbles the their own target destinations at an order, by using their reflections from couple of mirrors. In the game there are 5 different mirrors and a wormhole to make some levels even more exciting. There are 4 sections, every section contains 20 levels and all of them have their own degree of the difficulty which has been prepared carefully. With it's simple gameplay and elegant game structure 80 puzzles for your brain exercise are awaiting. When you finish all the puzzles, the "Philosopher's Stone" level will be unlocked. Have fun.
Screenshots
Verdict
The clearest difference is update cadence: Know Notes at fortnightly against Marbles PS RH+'s every 25 months. Marbles PS RH+'s advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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 and Marbles PS RH+ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Know Notes ships an update fortnightly, Marbles PS RH+ every 25 months. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.
| Parameter | Know Notes | Marbles PS RH+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (32 ratings) — better | — |
| Positive reviews | 95.7% of reviews | — |
| Number of ratings | 32 — better | — |
| Update frequency | Fortnightly — better | Every 25 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 107 MB | 113 MB |
| Age rating | 4+ | 4+ |
| Developer | wylan neely | RH POZITIF TEKNOLOJI AS |
In-app purchases
Know Notes
- Violin Notes$0.99
- Electronic Keyboard Notes$0.99
- Grand Piano Notes$0.99
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- Unlock Violin Instrument$2.99
- Acoustic Guitar (Major Chords)$2.99
- Unlock Acoustic Guitar$3.99
Marbles PS RH+
- Remove Ads$0.99
Questions
Is Know Notes free?
Is Marbles PS RH+ free?
Do Know Notes or Marbles PS RH+ have ads?
Which is updated more often, Know Notes or Marbles PS RH+?
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