# Sudoku Brain Challenge vs Sudoku

The clearest difference is in-app purchases: Sudoku at none against Sudoku Brain Challenge's 7. Sudoku Brain Challenge's advantage is update cadence (every 2 days vs every 8 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Sudoku Brain Challenge sells 7 one-off in-app purchases. Sudoku asks for nothing beyond the download.

Sudoku Brain Challenge ships an update every 2 days, Sudoku every 8 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sudoku Brain Challenge | Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-expert/id1641677021/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 8 months |
| Monetization | — | Free |
| Size | 22 MB | 1 MB |
| Requires iOS | **6.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hai Tran](https://appshunter.io/developer/1170864260) | [Philipp Hofer](https://appshunter.io/developer/1641677023) |

## What reviewers say

### Sudoku Brain Challenge

[App page](https://appshunter.io/ios/app/sudoku-brain-challenge/id1302994539)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Package 1 | $0.99 | one-time |
| Remove Advs | $0.99 | one-time |
| Coin Pakage 2 | $1.99 | one-time |
| Coin Package 3 | $2.99 | one-time |
| Coin Package 4 | $3.99 | one-time |
| Coin Package 5 | $4.99 | one-time |
| Coin Package 6 | $9.99 | one-time |


### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-expert/id1641677021)

Enjoy unlimited Sudoku puzzles with customizable settings and three difficulty levels. This app offers a clean, distraction-free interface with smart notes and a mistake counter for an engaging brain-training experience. It's perfect for both beginners and experienced players looking for a classic logic puzzle.

**Highlights:** Unlimited Sudoku puzzles, Three difficulty levels, Smart notes feature, Mistake counter, Built-in timer, Detailed statistics, Auto-save feature

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Brain Challenge free?

Sudoku Brain Challenge is free to download, with in-app purchases available.

### Is Sudoku free?

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

### Do Sudoku Brain Challenge or Sudoku have ads?

Neither Sudoku Brain Challenge nor Sudoku shows ads.

### Which is updated more often, Sudoku Brain Challenge or Sudoku?

Sudoku Brain Challenge ships an update every 2 days, and Sudoku every 8 months. Most recently, Sudoku Brain Challenge was updated on November 4, 2026 and Sudoku on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*