# Know Notes vs Pipe Connection Puzzle

The clearest difference is in-app purchases: Pipe Connection Puzzle at none against Know Notes's 6. Pipe Connection Puzzle also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. Know Notes sells 6 one-off in-app purchases. Pipe Connection Puzzle asks for nothing beyond the download.

## The numbers

| Metric | Know Notes | Pipe Connection Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (32 ratings)](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 74 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [wylan neely](https://appshunter.io/developer/1261508202) | [Auzi Apps Studios](https://appshunter.io/developer/1702158723) |

## 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 |


### Pipe Connection Puzzle

[App page](https://appshunter.io/ios/app/pipe-connection-puzzle/id6475422131)

**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 Pipe Connection Puzzle free?

Pipe Connection Puzzle is free to download, with no in-app purchases.

### Do Know Notes or Pipe Connection Puzzle have ads?

Neither Know Notes nor Pipe Connection Puzzle shows ads.

---

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