# UnDo vs Cleya

The clearest difference is in-app purchases: UnDo at none against Cleya's 1. UnDo also leads on update cadence (weekly vs every 3 months). Cleya's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Cleya sells 1 one-off in-app purchase. UnDo asks for nothing beyond the download.

UnDo ships an update weekly, Cleya every 3 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | UnDo | Cleya |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 2 MB | 51 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [朝峰 陈](https://appshunter.io/developer/1868597907) | [Mehmet Sabri Sepik](https://appshunter.io/developer/1885676496) |

## What reviewers say

### UnDo

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

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

**In-app purchases:** none


### Cleya

[App page](https://appshunter.io/ios/app/cleya-quit-bad-habits/id6780367034)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cleya Premium (Lifetime) | $4.99 | one-time |


## Frequently asked questions

### Is UnDo free?

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

### Is Cleya free?

Cleya is free to download, with in-app purchases available.

### Do UnDo or Cleya have ads?

Neither UnDo nor Cleya shows ads.

### Which is updated more often, UnDo or Cleya?

UnDo ships an update weekly, and Cleya every 3 months. Most recently, UnDo was updated on October 31, 2026 and Cleya on October 31, 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.*