# Zenkey vs Undoom

The clearest difference is in-app purchases: Zenkey at none against Undoom's 3. Undoom's advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Undoom sells 3 in-app purchases, starting at $8.99 per 7 days. Zenkey asks for nothing beyond the download.

## The numbers

| Metric | Zenkey | Undoom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 3 MB | 70 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [悦茨 宿](https://appshunter.io/developer/1831398755) | [Fabijan Bajo](https://appshunter.io/developer/1049950802) |

## What reviewers say

### Zenkey

[App page](https://appshunter.io/ios/app/zenkey/id6756201702)

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

**In-app purchases:** none


### Undoom

[App page](https://appshunter.io/ios/app/undoom-stop-doomscrolling/id6757306580)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undoom Pro (Weekly) | $8.99 | per 7 days |
| Undoom Pro (Monthly) | $9.99 | per month |
| Undoom Pro (Yearly) | $34.99 | per year |


## Frequently asked questions

### Is Zenkey free?

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

### Is Undoom free?

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

### Do Zenkey or Undoom have ads?

Neither Zenkey nor Undoom 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.*