# ZenLock vs アイナイト

The clearest difference is in-app purchases: ZenLock at none against アイナイト's 2. ZenLock also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. アイナイト sells 2 in-app purchases, starting at $9.99 per month. ZenLock asks for nothing beyond the download.

ZenLock ships an update every 5 days, アイナイト every 4 days. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | ZenLock | アイナイト |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 3 MB | 141 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [kohei kishimoto](https://appshunter.io/developer/1832720515) | [Myou Sugihara](https://appshunter.io/developer/1844770257) |

## What reviewers say

### ZenLock

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

**Features:** macOS Compatibility

**In-app purchases:** none


### アイナイト

[App page](https://appshunter.io/ios/app/id6803821502)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $9.99 | per month |
| プレミアム（年額） | $169.00 | per year |


## Frequently asked questions

### Is ZenLock free?

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

### Is アイナイト free?

アイナイト is free to download, with in-app purchases available.

### Do ZenLock or アイナイト have ads?

Neither ZenLock nor アイナイト shows ads.

### Which is updated more often, ZenLock or アイナイト?

ZenLock ships an update every 5 days, and アイナイト every 4 days. Most recently, ZenLock was updated on October 28, 2026 and アイナイト on October 22, 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.*