# Crazy Math vs Sudoku

The clearest difference is update cadence: Crazy Math at daily against Sudoku's every 14 months. Crazy Math also leads on iOS requirement (11.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Crazy Math sells 5 one-off in-app purchases and Sudoku sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Crazy Math ships an update daily, Sudoku every 14 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Crazy Math | Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crazy-math-fast-calculation/id1458684902/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 96 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tien Le](https://appshunter.io/developer/840899581) | [PixelBeast s.r.o.](https://appshunter.io/developer/6817354012) |

## What reviewers say

### 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 |


### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-kids/id6502909355)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Sudoku 6x6 | $1.99 | one-time |
| Unlock Sudoku 9x9 | $1.99 | one-time |
| Unlock All Variants | $2.99 | one-time |


## Frequently asked questions

### Is Crazy Math free?

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

### Is Sudoku free?

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

### Do Crazy Math or Sudoku have ads?

Neither Crazy Math nor Sudoku shows ads.

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

Crazy Math ships an update daily, and Sudoku every 14 months. Most recently, Crazy Math was updated on October 20, 2026 and Sudoku on October 25, 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.*