# QuitClock vs UnDo

The clearest difference is device support: QuitClock at 3 against UnDo's 1. QuitClock also leads on iOS requirement (15.1 vs 17.6). 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 | QuitClock | UnDo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 22 MB | 2 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shogo Awakura](https://appshunter.io/developer/1816946796) | [朝峰 陈](https://appshunter.io/developer/1868597907) |

## What reviewers say

### QuitClock

[App page](https://appshunter.io/ios/app/quitclock/id6746962348)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnDo

[App page](https://appshunter.io/ios/app/undo/id6761196951)

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

**In-app purchases:** none


## Frequently asked questions

### Is QuitClock free?

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

### Is UnDo free?

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

### Do QuitClock or UnDo have ads?

Neither QuitClock nor UnDo shows ads.

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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.*