# Crazy Math vs Calcudoku

The clearest difference is in-app purchases: Calcudoku at none against Crazy Math's 5. Calcudoku also leads on ratings volume (4 vs 1). Crazy Math's advantage is ads (none vs shown) and update cadence (daily vs monthly). On price, rating and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Crazy Math against 5.0 for Calcudoku. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Crazy Math ships an update daily, Calcudoku monthly. The most recent releases landed on October 20, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Crazy Math | Calcudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/crazy-math-fast-calculation/id1458684902/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/calcudoku-griddle-games/id6447776098/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 22 MB | 22 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tien Le](https://appshunter.io/developer/840899581) | [Pixel Forge LLC](https://appshunter.io/developer/1682619069) |

## 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 |


### Calcudoku

[App page](https://appshunter.io/ios/app/calcudoku-griddle-games/id6447776098)

Engage your mind with mathematical challenges and addictive puzzle-solving fun. This app offers multiple grid sizes and uses all four basic arithmetic operations. Its intuitive design and offline play make it perfect for brain workouts anytime, anywhere.

**Highlights:** Multiple grid sizes (4x4, 5x5, 6x6), Addition, subtraction, multiplication, and division, Intuitive and minimalistic design, Offline play support, Engaging math puzzles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Crazy Math free?

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

### Is Calcudoku free?

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

### Which has better reviews, Crazy Math or Calcudoku?

Crazy Math and Calcudoku are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Crazy Math or Calcudoku have ads?

Calcudoku shows ads; Crazy Math does not.

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

Crazy Math ships an update daily, and Calcudoku monthly. Most recently, Crazy Math was updated on October 20, 2026 and Calcudoku on October 1, 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.*