Know Notes vs Harmonia
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
Read full descriptionHide full description
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.
Harmonia
Train your ear with this music puzzle game. Listen to a target sound, then recreate it from memory by selecting instruments and adjusting notes. Explore musical worlds and compete in daily challenges to test your auditory skills.
- Recreate sounds from memory
- Adjust instrument pitches
- Hundreds of levels across musical worlds
- Daily challenges
- Ear training mechanics
- No time pressure
Read full descriptionHide full description
Harmonia is a music puzzle game that trains your ear. You hear a target sound and rebuild it from memory. Toggle the right instruments and dial in the right notes before submitting to see how you did. No rush, no luck. Just you, your ears, and your instruments. HOW TO PLAY Listen to the target sound. Your replays are limited, so listen carefully! Toggle instruments on or off to match what you heard Slide each instrument's pitch selector to find the right note Every toggle and note counts, choose wisely Submit your mix! EXPLORE MUSICAL WORLDS Each world brings its own instruments and its own challenge across hundreds of levels. Electronic world coming soon! DAILY CHALLENGE One new puzzle every day, that's the same for everyone. Compare your result with friends and see who's got the best ears! CHALLENGE YOUR EAR Levels start simple. One instrument, a handful of notes. By the time you're deep into a world, you're untangling up to five instruments with close, tricky timbres. It's a genuine ear-training curve! WHY HARMONIA Most puzzle games test your reflexes. Harmonia tests something rarer: your ear. Whether you've got years of music training or you've never touched an instrument, Harmonia has something for everyone. Download Harmonia and find out how good your ear really is.
Screenshots
Verdict
The clearest difference is ads: Know Notes at none against Harmonia's shown. Know Notes also leads on ratings volume (31 vs 2). On price, rating, review sentiment and update cadence 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 Harmonia sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Know Notes against 5.0 for Harmonia. That said, the two scores are not equally well evidenced: Know Notes has 31 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 96% of Know Notes's written reviews are positive against 100% of Harmonia's.
Know Notes ships an update fortnightly, Harmonia monthly. The most recent releases landed on November 7, 2026 and November 1, 2026 respectively.
| Parameter | Know Notes | Harmonia |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (31 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 95.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 31 — better | 2 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 107 MB | 112 MB |
| Age rating | 4+ | 12+ |
| Developer | wylan neely | Rowan Vredenburg |
Customer experience
Know Notes
Harmonia
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
Harmonia
- Refill Lives$0.99
- Replay Pack (Small)$0.99
- Hint Pack (Small)$0.99
Show 3 moreShow fewer
- Replay Pack (Large)$1.79
- Hint Pack (Large)$1.79
- Remove Ads$3.99









