# Clef vs Notespawn

The clearest difference is in-app purchases: Notespawn at none against Clef's 2. Notespawn also leads on iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Clef sells 2 one-off in-app purchases. Notespawn asks for nothing beyond the download.

## The numbers

| Metric | Clef | Notespawn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 11 MB | 2 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mel Owen](https://appshunter.io/developer/1674940249) | [Thaddeus Arndt](https://appshunter.io/developer/6781474491) |

## What reviewers say

### Clef

[App page](https://appshunter.io/ios/app/clef-sight-reading-trainer/id6768969191)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Clef | $9.99 | one-time |
| Clef Lifetime | $99.99 | one-time |


### Notespawn

[App page](https://appshunter.io/ios/app/notespawn-sight-reading/id6781856461)

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

**In-app purchases:** none


## Frequently asked questions

### Is Clef free?

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

### Is Notespawn free?

Notespawn is free to download, with no in-app purchases.

### Do Clef or Notespawn have ads?

Neither Clef nor Notespawn shows ads.

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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.*