# Mathdoku + Calcudoku vs Mathdoku Challenge!

The clearest difference is rating: Mathdoku Challenge! at 5.0 against Mathdoku + Calcudoku's 1.5. Mathdoku Challenge! also leads on review sentiment (100% vs 60%) and update cadence (every 8 days vs every 12 months). Mathdoku + Calcudoku's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Mathdoku + Calcudoku sells 2 one-off in-app purchases and Mathdoku Challenge! sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Mathdoku Challenge! holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: Mathdoku Challenge! has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 60% of Mathdoku + Calcudoku's written reviews are positive against 100% of Mathdoku Challenge!'s.

Mathdoku + Calcudoku ships an update every 12 months, Mathdoku Challenge! every 8 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Mathdoku + Calcudoku | Mathdoku Challenge! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/mathdoku-plus-calcudoku/id791155185/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/mathdoku-challenge/id1240671305/reviews)** |
| Number of ratings | 2 | **13** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 39 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marco Gentili](https://appshunter.io/developer/482764510) | [Taylor Geisse](https://appshunter.io/developer/1240671304) |

## What reviewers say

### Mathdoku + Calcudoku

[App page](https://appshunter.io/ios/app/mathdoku-plus-calcudoku/id791155185)

This game combines arithmetic and logic puzzles, similar to Sudoku. Fill grids with numbers based on row, column, and cage calculations. It offers multiple grid sizes and difficulty levels.

**Highlights:** Sudoku-like grid filling, Arithmetic and logic challenges, Cage-based calculations, Multiple grid sizes (4x4 to 9x9), Varying difficulty levels

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove iAd Banner | $0.99 | one-time |
| Full Version | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is Mathdoku + Calcudoku free?

Mathdoku + Calcudoku is free to download, with in-app purchases available.

### Is Mathdoku Challenge! free?

Mathdoku Challenge! is free to download, with in-app purchases available.

### Which has better reviews, Mathdoku + Calcudoku or Mathdoku Challenge!?

Mathdoku Challenge! is rated higher. Mathdoku + Calcudoku averages 1.5 out of 5 from 2 ratings, while Mathdoku Challenge! averages 5.0 from 13 ratings.

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

Mathdoku Challenge! shows ads; Mathdoku + Calcudoku does not.

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

Mathdoku + Calcudoku ships an update every 12 months, and Mathdoku Challenge! every 8 days. Most recently, Mathdoku + Calcudoku was updated on October 7, 2026 and Mathdoku Challenge! on September 30, 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.*