# Sudoku vs Sudoku Kensei

The clearest difference is in-app purchases: Sudoku at none against Sudoku Kensei's 1. Sudoku also leads on iOS requirement (14.3 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sudoku Kensei sells 1 one-off in-app purchase. Sudoku asks for nothing beyond the download.

Sudoku ships an update every 2 weeks, Sudoku Kensei monthly. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Sudoku | Sudoku Kensei |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/sudoku-kensei/id6760353100/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | — | Freemium |
| Size | 2 MB | 33 MB |
| Requires iOS | **14.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [翌璠 张](https://appshunter.io/developer/1557016008) | [David Shapiro](https://appshunter.io/developer/1651118132) |

## What reviewers say

### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-classic-version/id1557029311)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sudoku Kensei

[App page](https://appshunter.io/ios/app/sudoku-kensei/id6760353100)

This app helps you understand and solve Sudoku puzzles with visual hints and advanced techniques. It offers features like a camera scanner for printed puzzles and smart candidate management. Customize your experience with various display options.

**Highlights:** Visual Sudoku technique finders, Camera puzzle scanner, Smart candidate management, Advanced fish pattern finders (Pro), Customizable display and entry methods, Save, export, and share puzzles (Pro)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $0.99 | one-time |


## Frequently asked questions

### Is Sudoku free?

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

### Is Sudoku Kensei free?

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

### Do Sudoku or Sudoku Kensei have ads?

Neither Sudoku nor Sudoku Kensei shows ads.

### Which is updated more often, Sudoku or Sudoku Kensei?

Sudoku ships an update every 2 weeks, and Sudoku Kensei monthly. Most recently, Sudoku was updated on November 7, 2026 and Sudoku Kensei on November 13, 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.*