# SCATI CLOUD vs SleepEngine

The clearest difference is iOS requirement: SleepEngine at 15.6 against SCATI CLOUD's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SCATI CLOUD ships an update every 2 months, SleepEngine monthly. The most recent releases landed on September 7, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | SCATI CLOUD | SleepEngine |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 5 MB | 78 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SCATI](https://appshunter.io/developer/1339138778) | [Cambridge Sleep Sciences Ltd](https://appshunter.io/developer/1622392022) |

## What reviewers say

### SCATI CLOUD

[App page](https://appshunter.io/ios/app/scati-cloud/id6470517589)

**Features:** macOS Compatibility

**In-app purchases:** none


### SleepEngine

[App page](https://appshunter.io/ios/app/sleepengine/id6736406638)

This app uses scientifically developed sound technology to help improve sleep quality. It guides your brain through healthy sleep cycles, aiding in falling asleep faster, staying asleep longer, and waking up refreshed. Designed to retrain natural sleep patterns, it offers personalized sleep programs for a better night's rest.

**Highlights:** Scientific sound technology, Guides brain through sleep cycles, Helps fall asleep faster, Reduces waking times, Personalized sleep programs, Bluetooth connectivity to SmartPillow

**In-app purchases:** none


## Frequently asked questions

### Is SCATI CLOUD free?

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

### Is SleepEngine free?

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

### Do SCATI CLOUD or SleepEngine have ads?

Neither SCATI CLOUD nor SleepEngine shows ads.

### Which is updated more often, SCATI CLOUD or SleepEngine?

SCATI CLOUD ships an update every 2 months, and SleepEngine monthly. Most recently, SCATI CLOUD was updated on September 7, 2026 and SleepEngine on July 23, 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.*