# Know Notes vs Merge Shapes!

The clearest difference is in-app purchases: Merge Shapes! at none against Know Notes's 6. Merge Shapes! also leads on update cadence (daily vs fortnightly) and device support (3 vs 1). Know Notes's advantage is ads (none vs shown) and ratings volume (31 vs 1). On price and rating there is nothing between them.

Both are free to download. Know Notes sells 6 one-off in-app purchases. Merge Shapes! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Know Notes against 5.0 for Merge Shapes!. That said, the two scores are not equally well evidenced: Know Notes has 31 ratings behind it against 1, so its average is the more settled of the two.

Know Notes ships an update fortnightly, Merge Shapes! daily. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Know Notes | Merge Shapes! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (31 ratings)](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/merge-shapes/id6476268635/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 107 MB | 104 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [wylan neely](https://appshunter.io/developer/1261508202) | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) |

## 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 |


### Merge Shapes!

[App page](https://appshunter.io/ios/app/merge-shapes/id6476268635)

Tap and merge similar shapes to evolve them. Collect all required shapes to complete each level. A simple yet engaging puzzle game focused on collection and progression.

**Highlights:** Tap to select shapes, Merge similar shapes, Evolve shapes, Collect required shapes, Complete levels

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Know Notes free?

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

### Is Merge Shapes! free?

Merge Shapes! is free to download, with no in-app purchases.

### Which has better reviews, Know Notes or Merge Shapes!?

Merge Shapes! is rated higher. Know Notes averages 4.9 out of 5 from 31 ratings, while Merge Shapes! averages 5.0 from 1 ratings.

### Do Know Notes or Merge Shapes! have ads?

Merge Shapes! shows ads; Know Notes does not.

### Which is updated more often, Know Notes or Merge Shapes!?

Know Notes ships an update fortnightly, and Merge Shapes! daily. Most recently, Know Notes was updated on October 27, 2026 and Merge Shapes! on October 24, 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.*