# ZenLock vs Write to Unlock

The clearest difference is in-app purchases: ZenLock at none against Write to Unlock's 2. ZenLock also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Write to Unlock sells 2 in-app purchases, starting at $3.99 per month. ZenLock asks for nothing beyond the download.

## The numbers

| Metric | ZenLock | Write to Unlock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | — |
| Size | 3 MB | 51 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [kohei kishimoto](https://appshunter.io/developer/1832720515) | [HIROTO TSUTSUSHIMA](https://appshunter.io/developer/1784235901) |

## What reviewers say

### ZenLock

[App page](https://appshunter.io/ios/app/zenlock-app-blocking-app/id6749898128)

**Features:** macOS Compatibility

**In-app purchases:** none


### Write to Unlock

[App page](https://appshunter.io/ios/app/write-to-unlock-app-blocker/id6782918162)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Lock (Monthly) | $3.99 | per month |
| Full Lock (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is ZenLock free?

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

### Is Write to Unlock free?

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

### Do ZenLock or Write to Unlock have ads?

Write to Unlock shows ads; ZenLock does not.

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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.*