# Mister Sudoku vs Crazy Math

The clearest difference is ads: Crazy Math at none against Mister Sudoku's shown. Crazy Math also leads on update cadence (daily vs every 4 months) and rating (5.0 vs 4.7). Mister Sudoku's advantage is ratings volume (108 vs 1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Mister Sudoku sells 1 one-off in-app purchase and Crazy Math sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Crazy Math holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Mister Sudoku has 108 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 90% of Mister Sudoku's written reviews are positive against 100% of Crazy Math's.

Mister Sudoku ships an update every 4 months, Crazy Math daily. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Mister Sudoku | Crazy Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (108 ratings)](https://appshunter.io/ios/app/mister-sudoku/id369602654/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crazy-math-fast-calculation/id1458684902/reviews)** |
| Number of ratings | **108** | 1 |
| Positive reviews | 90.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 22 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ludoware](https://appshunter.io/developer/369602657) | [Tien Le](https://appshunter.io/developer/840899581) |

## What reviewers say

### Mister Sudoku

[App page](https://appshunter.io/ios/app/mister-sudoku/id369602654)

This app offers a vast collection of Sudoku puzzles in various types and difficulties, from traditional 9x9 to more complex variations. It includes helpful features like pencil marks, smart hints, and mistake detection to enhance the solving experience. Play offline and track your progress with the built-in timer.

**Highlights:** Extensive Sudoku game selection, Multiple game types (Killer, Jigsaw, X, etc.), Various difficulty levels and sizes, Automatic/Manual Pencil Marks, 'SMART' Hints and mistake detection, Offline play functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mister Sudoku 'Full Version' | $2.99 | one-time |

**What reviewers like**

- 👍 Good game
- 👍 Plenty of choices
- 👍 Helpful features
- 👍 Addictive gameplay
- 👍 Great variety of puzzles

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔍 Small font/numbers
- 🔍 Cluttered/confusing layout
- 🔍 Pencil mark issues
- 🔍 Scoring/ranking issues

**Reported bugs**

- Crashes at the end of games
- Freezing issues
- Scoring/ranking not working properly
- Compatibility issues with newer iOS versions

**Requested features**

- Larger board sizes (16x16, 25x25)
- Pause button
- Offline score tracking
- Calculator feature for killer sudoku
- 9x9 killer sudoku


### Crazy Math

[App page](https://appshunter.io/ios/app/crazy-math-fast-calculation/id1458684902)

This game helps improve your calculation speed and offers a fun way to relax or play with others. Choose 'RIGHT' or 'WRONG' to answer math problems as quickly as possible. Compete for the highest score across various difficulty levels.

**Highlights:** Improve calculation speed, Relaxing gameplay, Play with friends and family, Multiple difficulty levels, Simple 'RIGHT' or 'WRONG' mechanic, High score competition

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 20 lives | $0.99 | one-time |
| Remove advertisement | $1.99 | one-time |
| Add 50 lives | $1.99 | one-time |
| Add 100 lives | $2.99 | one-time |
| Add 200 lives | $3.99 | one-time |


## Frequently asked questions

### Is Mister Sudoku free?

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

### Is Crazy Math free?

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

### Which has better reviews, Mister Sudoku or Crazy Math?

Crazy Math is rated higher. Mister Sudoku averages 4.7 out of 5 from 108 ratings, while Crazy Math averages 5.0 from 1 ratings.

### Do Mister Sudoku or Crazy Math have ads?

Mister Sudoku shows ads; Crazy Math does not.

### Which is updated more often, Mister Sudoku or Crazy Math?

Mister Sudoku ships an update every 4 months, and Crazy Math daily. Most recently, Mister Sudoku was updated on October 23, 2026 and Crazy Math on October 20, 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.*