# zenku vs PeekaBooka

The clearest difference is in-app purchases: PeekaBooka at none against zenku's 3. PeekaBooka also leads on iOS requirement (13.0 vs 15.0). zenku's advantage is ads (none vs shown) and update cadence (every 3 months vs every 7 months). On price and device support there is nothing between them.

Both are free to download. zenku sells 3 one-off in-app purchases. PeekaBooka asks for nothing beyond the download.

zenku ships an update every 3 months, PeekaBooka every 7 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | zenku | PeekaBooka |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 7 months |
| Size | 106 MB | 121 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XSGames](https://appshunter.io/developer/1725979641) | [Jaewon Jung](https://appshunter.io/developer/1509475657) |

## What reviewers say

### zenku

[App page](https://appshunter.io/ios/app/zenku/id6742699851)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All levels | $0.99 | one-time |
| Unlock All levels + Coffee | $2.99 | one-time |
| Unlock All levels + Love | $6.99 | one-time |


### PeekaBooka

[App page](https://appshunter.io/ios/app/peekabooka/id6744845702)

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

**In-app purchases:** none


## Frequently asked questions

### Is zenku free?

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

### Is PeekaBooka free?

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

### Do zenku or PeekaBooka have ads?

PeekaBooka shows ads; zenku does not.

### Which is updated more often, zenku or PeekaBooka?

zenku ships an update every 3 months, and PeekaBooka every 7 months. Most recently, zenku was updated on October 13, 2026 and PeekaBooka on October 11, 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.*