# BrainZap vs PlaySudoku.io

The clearest difference is update cadence: BrainZap at every 3 days against PlaySudoku.io's monthly. BrainZap also leads on iOS requirement (12.0 vs 17.6). On price, ads, 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.

BrainZap ships an update every 3 days, PlaySudoku.io monthly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BrainZap | PlaySudoku.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/playsudokuio/id6738934774/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | — | Free |
| Size | 22 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [展徽 周](https://appshunter.io/developer/1760585494) | [Alfredo Perry](https://appshunter.io/developer/1782998664) |

## What reviewers say

### BrainZap

[App page](https://appshunter.io/ios/app/brainzap/id6673888160)

**Features:** macOS Compatibility

**In-app purchases:** none


### PlaySudoku.io

[App page](https://appshunter.io/ios/app/playsudokuio/id6738934774)

Engage your mind with a classic Sudoku experience featuring customizable interfaces and multiple difficulty levels. This game offers auto-save and candidate number support for strategic play, perfect for daily mental exercise or quick gaming sessions.

**Highlights:** Three difficulty levels, Auto-save functionality, Candidate number support, Customizable interface, Intuitive controls, Built-in timer, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BrainZap free?

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

### Is PlaySudoku.io free?

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

### Do BrainZap or PlaySudoku.io have ads?

Neither BrainZap nor PlaySudoku.io shows ads.

### Which is updated more often, BrainZap or PlaySudoku.io?

BrainZap ships an update every 3 days, and PlaySudoku.io monthly. Most recently, BrainZap was updated on October 27, 2026 and PlaySudoku.io on October 30, 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.*