# Know Notes vs Harmonia

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.

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 11, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Know Notes | Harmonia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (31 ratings)](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/harmonia-match-the-notes/id6787542089/reviews)** |
| Number of ratings | **31** | 2 |
| Positive reviews | 95.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 107 MB | 112 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [wylan neely](https://appshunter.io/developer/1261508202) | [Rowan Vredenburg](https://appshunter.io/developer/6787542241) |

## What reviewers say

### Know Notes

[App page](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966)

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.

**Highlights:** Ear training, Note recognition, Chord recognition, Gamified learning, Progressive difficulty, Natural notes, sharps, and flats

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Violin Notes | $0.99 | one-time |
| Electronic Keyboard Notes | $0.99 | one-time |
| Grand Piano Notes | $0.99 | one-time |
| Unlock Violin Instrument | $2.99 | one-time |
| Acoustic Guitar (Major Chords) | $2.99 | one-time |
| Unlock Acoustic Guitar | $3.99 | one-time |


### Harmonia

[App page](https://appshunter.io/ios/app/harmonia-match-the-notes/id6787542089)

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.

**Highlights:** Recreate sounds from memory, Adjust instrument pitches, Hundreds of levels across musical worlds, Daily challenges, Ear training mechanics, No time pressure

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Refill Lives | $0.99 | one-time |
| Replay Pack (Small) | $0.99 | one-time |
| Hint Pack (Small) | $0.99 | one-time |
| Replay Pack (Large) | $1.79 | one-time |
| Hint Pack (Large) | $1.79 | one-time |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Know Notes free?

Know Notes is free to download, with in-app purchases available.

### Is Harmonia free?

Harmonia is free to download, with in-app purchases available.

### Which has better reviews, Know Notes or Harmonia?

Harmonia is rated higher. Know Notes averages 4.9 out of 5 from 31 ratings, while Harmonia averages 5.0 from 2 ratings.

### Do Know Notes or Harmonia have ads?

Harmonia shows ads; Know Notes does not.

### Which is updated more often, Know Notes or Harmonia?

Know Notes ships an update fortnightly, and Harmonia monthly. Most recently, Know Notes was updated on November 11, 2026 and Harmonia on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*