# Sleeping Carl on a cloud vs Keyz

The clearest difference is review sentiment: Keyz at 100% against Sleeping Carl on a cloud's 62%. Keyz also leads on update cadence (every 4 days vs every 3 months). Sleeping Carl on a cloud's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Keyz sells 1 one-off in-app purchase. Sleeping Carl on a cloud asks for nothing beyond the download.

Sleeping Carl on a cloud ships an update every 3 months, Keyz every 4 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sleeping Carl on a cloud | Keyz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 62.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 10 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tayasui.com](https://appshunter.io/developer/359375853) | [Keyz](https://appshunter.io/developer/1896749569) |

## What reviewers say

### Sleeping Carl on a cloud

[App page](https://appshunter.io/ios/app/sleeping-carl-on-a-cloud/id359375850)

A calming bedtime companion featuring a character resting on a cloud. Gentle animations and soothing sounds create a peaceful atmosphere for children and parents. The app includes a simple alarm and gradually dims to help settle the room for sleep.

**Highlights:** Calming white-noise companion, Gentle animations, Soft soundscape, Built-in alarm, Gradual dimming and sound reduction, Interactive character

**Features:** macOS Compatibility

**In-app purchases:** none


### Keyz

[App page](https://appshunter.io/ios/app/keyz-keycap-fidget/id6770513549)

Experience the satisfying click of mechanical keyboards on your phone. Customize keycaps, backgrounds, and sounds for a personalized fidgeting experience. Unlock daily rewards and track your taps.

**Highlights:** Customizable keycap and background skins, Multiple sound packs including mechanical and typewriter, LED backlight mode, Customizable key labels with letters or emojis, Daily streaks and secret skin collection, Click counter

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pass | $2.99 | one-time |


## Frequently asked questions

### Is Sleeping Carl on a cloud free?

Sleeping Carl on a cloud is free to download, with no in-app purchases.

### Is Keyz free?

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

### Do Sleeping Carl on a cloud or Keyz have ads?

Keyz shows ads; Sleeping Carl on a cloud does not.

### Which is updated more often, Sleeping Carl on a cloud or Keyz?

Sleeping Carl on a cloud ships an update every 3 months, and Keyz every 4 days. Most recently, Sleeping Carl on a cloud was updated on October 24, 2026 and Keyz on October 9, 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.*