# Sleep Diary vs Dogs4u

The clearest difference is device support: Dogs4u at 3 against Sleep Diary's 1. Dogs4u also leads on iOS requirement (15.0 vs 18.4). On price, 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.

## The numbers

| Metric | Sleep Diary | Dogs4u |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 16 MB | 5 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Roy Nave](https://appshunter.io/developer/1713132579) | [0404 News Ltd](https://appshunter.io/developer/1534841728) |

## What reviewers say

### Sleep Diary

[App page](https://appshunter.io/ios/app/sleep-diary/id6754513147)

**In-app purchases:** none


### Dogs4u

[App page](https://appshunter.io/ios/app/dogs4u/id6822190700)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Diary free?

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

### Is Dogs4u free?

Dogs4u is free to download, with no in-app purchases.

### Do Sleep Diary or Dogs4u have ads?

Neither Sleep Diary nor Dogs4u shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*