# PeekaBooka vs MasterMind

The clearest difference is ads: MasterMind at none against PeekaBooka's shown. MasterMind also leads on update cadence (every 5 days vs every 7 months). PeekaBooka's advantage is iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PeekaBooka ships an update every 7 months, MasterMind every 5 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PeekaBooka | MasterMind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 5 days** |
| Size | 121 MB | 21 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jaewon Jung](https://appshunter.io/developer/1509475657) | [Ali Miri](https://appshunter.io/developer/1789897643) |

## What reviewers say

### PeekaBooka

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

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

**In-app purchases:** none


### MasterMind

[App page](https://appshunter.io/ios/app/mastermind-mind-challenge/id6744874019)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PeekaBooka free?

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

### Is MasterMind free?

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

### Do PeekaBooka or MasterMind have ads?

PeekaBooka shows ads; MasterMind does not.

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

PeekaBooka ships an update every 7 months, and MasterMind every 5 days. Most recently, PeekaBooka was updated on November 8, 2026 and MasterMind on November 5, 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.*