# Sudoku App vs Crazy Math

The clearest difference is rating: Crazy Math at 5.0 against Sudoku App's 4.5. Crazy Math also leads on ads (none vs shown) and update cadence (daily vs monthly). Sudoku App's advantage is in-app purchases (none vs 5) and ratings volume (78 vs 1). On price and device support there is nothing between them.

Both are free to download. Crazy Math sells 5 one-off in-app purchases. Sudoku App asks for nothing beyond the download.

Crazy Math holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sudoku App has 78 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 79% of Sudoku App's written reviews are positive against 100% of Crazy Math's.

Sudoku App ships an update monthly, Crazy Math daily. The most recent releases landed on September 15, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Sudoku App | Crazy Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (78 ratings)](https://appshunter.io/ios/app/sudoku-app/id1285765099/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crazy-math-fast-calculation/id1458684902/reviews)** |
| Number of ratings | **78** | 1 |
| Positive reviews | 78.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 190 MB | 22 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [WINR Games Inc.](https://appshunter.io/developer/903185355) | [Tien Le](https://appshunter.io/developer/840899581) |

## What reviewers say

### Sudoku App

[App page](https://appshunter.io/ios/app/sudoku-app/id1285765099)

Engage your mind with a classic number puzzle game offering endless challenges. Suitable for all skill levels, it provides tools to help you solve puzzles and track your progress. Enjoy daily challenges and customize your experience with themes.

**Highlights:** Endless variety of puzzles, Hints and undo functionality, Daily special challenges, Customizable themes, Progress tracking

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

**In-app purchases:** none


### 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 Sudoku App free?

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

### Is Crazy Math free?

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

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

Crazy Math is rated higher. Sudoku App averages 4.5 out of 5 from 78 ratings, while Crazy Math averages 5.0 from 1 ratings.

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

Sudoku App shows ads; Crazy Math does not.

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

Sudoku App ships an update monthly, and Crazy Math daily. Most recently, Sudoku App was updated on September 15, 2026 and Crazy Math on September 16, 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.*