# Mathdoku Challenge! vs Calcudoku

The clearest difference is in-app purchases: Calcudoku at none against Mathdoku Challenge!'s 4. Mathdoku Challenge!'s advantage is update cadence (every 8 days vs monthly) and ratings volume (15 vs 4). On price, rating, ads and device support there is nothing between them.

Both are free to download. Mathdoku Challenge! sells 4 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 Mathdoku Challenge! against 5.0 for Calcudoku. Both are backed by a comparable volume of ratings — 15 and 4 respectively.

Mathdoku Challenge! ships an update every 8 days, Calcudoku monthly. The most recent releases landed on October 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Mathdoku Challenge! | Calcudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (15 ratings)](https://appshunter.io/ios/app/mathdoku-challenge/id1240671305/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/calcudoku-griddle-games/id6447776098/reviews) |
| Number of ratings | **15** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 39 MB | 22 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taylor Geisse](https://appshunter.io/developer/1240671304) | [Pixel Forge LLC](https://appshunter.io/developer/1682619069) |

## What reviewers say

### Mathdoku Challenge!

[App page](https://appshunter.io/ios/app/mathdoku-challenge/id1240671305)

This game combines Sudoku logic with mathematical operations. Solve puzzles by filling cells with numbers that satisfy row, column, and cage constraints. Offers daily puzzles and purchasable packs to challenge your mind.

**Highlights:** Sudoku-style number placement, Mathematical cage operations, Logic-based puzzle solving, Daily new puzzles, Purchasable puzzle packs, Varying puzzle sizes

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Puzzles | $0.99 | one-time |
| 250 Puzzles | $1.99 | one-time |
| 500 Puzzles | $3.99 | one-time |
| 1000 Puzzles | $6.99 | 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 Mathdoku Challenge! free?

Mathdoku Challenge! 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, Mathdoku Challenge! or Calcudoku?

Mathdoku Challenge! and Calcudoku are both rated 5.0 out of 5 on the App Store, from 15 and 4 ratings respectively.

### Do Mathdoku Challenge! or Calcudoku have ads?

Both Mathdoku Challenge! and Calcudoku show ads.

### Which is updated more often, Mathdoku Challenge! or Calcudoku?

Mathdoku Challenge! ships an update every 8 days, and Calcudoku monthly. Most recently, Mathdoku Challenge! was updated on October 24, 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.*