# Crossnumber vs Math Devil

The clearest difference is rating: Math Devil at 5.0 against Crossnumber's 3.7. Math Devil also leads on in-app purchases (none vs 3) and iOS requirement (12.0 vs 18.0). Crossnumber's advantage is ratings volume (9 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Crossnumber sells 3 one-off in-app purchases. Math Devil asks for nothing beyond the download.

Math Devil holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Crossnumber has 9 ratings behind it against 1, so its average is the more settled of the two.

Crossnumber ships an update every 3 weeks, Math Devil daily. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Crossnumber | Math Devil |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (9 ratings)](https://appshunter.io/ios/app/crossnumber-math-puzzle-game/id1457853042/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-devil-a-troll-level-game/id6742674755/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 12 MB | 134 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ruel Lafuente](https://appshunter.io/developer/1436319651) | [友洲 陈](https://appshunter.io/developer/1037704522) |

## What reviewers say

### Crossnumber

[App page](https://appshunter.io/ios/app/crossnumber-math-puzzle-game/id1457853042)

Engage your mind with a number-based logic puzzle that combines arithmetic and word search mechanics. Solve puzzles by finding or forming numbers using scrambled tiles and mathematical symbols. This addictive game offers intuitive gameplay suitable for all ages, testing both your math and logic skills.

**Highlights:** Math and logic puzzles, Number formation and searching, Intuitive gameplay, Custom puzzle creation (iPhone), Suitable for all ages

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 200 Diamonds | $0.99 | one-time |
| Buy 1200 Diamonds | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |


### Math Devil

[App page](https://appshunter.io/ios/app/math-devil-a-troll-level-game/id6742674755)

A challenging 2D platformer that combines difficult levels with math-based puzzles. Navigate traps and solve problems involving various mathematical concepts to progress. It offers a unique test of both reflexes and intellect.

**Highlights:** Challenging 2D platformer gameplay, Math puzzle integration, Multiple difficulty levels, Variety of math concepts covered, Trap-filled environments

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

**In-app purchases:** none


## Frequently asked questions

### Is Crossnumber free?

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

### Is Math Devil free?

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

### Which has better reviews, Crossnumber or Math Devil?

Math Devil is rated higher. Crossnumber averages 3.7 out of 5 from 9 ratings, while Math Devil averages 5.0 from 1 ratings.

### Do Crossnumber or Math Devil have ads?

Both Crossnumber and Math Devil show ads.

### Which is updated more often, Crossnumber or Math Devil?

Crossnumber ships an update every 3 weeks, and Math Devil daily. Most recently, Crossnumber was updated on November 2, 2026 and Math Devil on November 8, 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.*