# Gliss vs Clefkid

The clearest difference is update cadence: Clefkid at every 3 days against Gliss's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gliss ships an update weekly, Clefkid every 3 days. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Gliss | Clefkid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 2 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Sean Wiseman](https://appshunter.io/developer/1555329260) | [Ylemos inc](https://appshunter.io/developer/6782556214) |

## What reviewers say

### Gliss

[App page](https://appshunter.io/ios/app/gliss-notation-trainer/id6444380942)

**Features:** macOS Compatibility

**In-app purchases:** none


### Clefkid

[App page](https://appshunter.io/ios/app/clefkid-learn-music-notes/id6817055992)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gliss free?

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

### Is Clefkid free?

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

### Do Gliss or Clefkid have ads?

Neither Gliss nor Clefkid shows ads.

### Which is updated more often, Gliss or Clefkid?

Gliss ships an update weekly, and Clefkid every 3 days. Most recently, Gliss was updated on October 27, 2026 and Clefkid on October 26, 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.*