# MoodPixel vs Sleep Tracker

The clearest difference is device support: MoodPixel at 2 against Sleep Tracker's —. Sleep Tracker's advantage is iOS requirement (13.0 vs 16.0). On price 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 | MoodPixel | Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Size | 1 MB | 23 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Philipp Heck](https://appshunter.io/developer/1329232690) | [SEOKWON YANG](https://appshunter.io/developer/1863325487) |

## What reviewers say

### MoodPixel

[App page](https://appshunter.io/ios/app/moodpixel/id6459537483)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-slox/id6760894127)

**In-app purchases:** none


## Frequently asked questions

### Is MoodPixel free?

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

### Is Sleep Tracker free?

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

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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.*