# sleep.exe vs CatRead

sleep.exe and CatRead are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

sleep.exe ships an update every 10 days, CatRead every 3 weeks. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | sleep.exe | CatRead |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 7 MB | 1 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Derkenne](https://appshunter.io/developer/1830845519) | [Daniyal Taskali](https://appshunter.io/developer/1874549289) |

## What reviewers say

### sleep.exe

[App page](https://appshunter.io/ios/app/sleepexe/id6749510030)

**Features:** macOS Compatibility

**In-app purchases:** none


### CatRead

[App page](https://appshunter.io/ios/app/catread-book-tracker-and-more/id6762776857)

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

**In-app purchases:** none


## Frequently asked questions

### Is sleep.exe free?

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

### Is CatRead free?

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

### Do sleep.exe or CatRead have ads?

Neither sleep.exe nor CatRead shows ads.

### Which is updated more often, sleep.exe or CatRead?

sleep.exe ships an update every 10 days, and CatRead every 3 weeks. Most recently, sleep.exe was updated on October 6, 2026 and CatRead on October 14, 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.*