# Clef vs Solfagen

The clearest difference is in-app purchases: Solfagen at none against Clef's 2. Solfagen also leads on iOS requirement (15.1 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. Solfagen asks for nothing beyond the download.

## The numbers

| Metric | Clef | Solfagen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 67 MB | 43 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mel Owen](https://appshunter.io/developer/1674940249) | [Ross Morey](https://appshunter.io/developer/1730860414) |

## 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 |


### Solfagen

[App page](https://appshunter.io/ios/app/solfagen/id6778262042)

**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 Solfagen free?

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

### Do Clef or Solfagen have ads?

Neither Clef nor Solfagen 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.*