# Koi Mahjong vs MathCross Master!

The clearest difference is review sentiment: Koi Mahjong at 98% against MathCross Master!'s 0%. Koi Mahjong also leads on rating (4.9 vs 4.6) and ratings volume (12K vs 7). MathCross Master!'s advantage is in-app purchases (none vs 9) and update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Koi Mahjong sells 9 in-app purchases, starting at $1.99 per 7 days. MathCross Master! asks for nothing beyond the download.

Koi Mahjong holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Koi Mahjong has 12K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 98% of Koi Mahjong's written reviews are positive against 0% of MathCross Master!'s.

Koi Mahjong ships an update every 3 weeks, MathCross Master! weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Koi Mahjong | MathCross Master! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (12K ratings)](https://appshunter.io/ios/app/koi-mahjong-solitaire-game/id6748625842/reviews)** | [4.6 (7 ratings)](https://appshunter.io/ios/app/mathcross-master/id6752387377/reviews) |
| Number of ratings | **12K** | 7 |
| Positive reviews | **98.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 223 MB | 242 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Tap Q Games](https://appshunter.io/developer/1455433962) | [Nebula Studio](https://appshunter.io/developer/1795182714) |

## What reviewers say

### Koi Mahjong

[App page](https://appshunter.io/ios/app/koi-mahjong-solitaire-game/id6748625842)

This tile-matching puzzle game offers a relaxing solitaire experience with large, easy-to-see tiles and an intuitive interface. It features classic gameplay with thousands of levels, offline play, and a unique two-player mode for shared challenges.

**Highlights:** Senior-friendly design with large tiles, Classic Mahjong solitaire gameplay, Thousands of unique levels, Offline play supported, Two-player cooperative mode, Mentally stimulating puzzles

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Remove (Weekly) | $1.99 | per 7 days |
| Ad Remove (Monthly) | $3.99 | per month |
| Basic Coin Mini | $0.99 | one-time |
| Basic Coin Petite | $1.99 | one-time |
| Basic Coin Small | $2.99 | one-time |
| Basic Coin Medium | $4.99 | one-time |
| AD Remove | $5.99 | one-time |
| Basic Coin Large | $9.99 | one-time |
| Basic Coin Huge | $19.99 | one-time |

**What reviewers like**

- 👍 Great game
- 🚀 Very smooth
- 💡 Elevates stress and makes games fun

**What reviewers complain about**

- 🐛 No issues mentioned

**Reported bugs**

- No bugs mentioned

**Requested features**

- No feature requests mentioned


### MathCross Master!

[App page](https://appshunter.io/ios/app/mathcross-master/id6752387377)

This number puzzle game blends crossword mechanics with math equations. Fill grids with numbers to solve logic challenges using basic arithmetic operations. Enjoy daily puzzles, endless modes, and helpful tools for a relaxing yet brain-boosting experience.

**Highlights:** Crossword-style number puzzles, Addition, subtraction, multiplication, division, Multiple difficulty levels, Daily fresh puzzles, Endless play mode, Hint and note tools, Relaxing design

**In-app purchases:** none


## Frequently asked questions

### Is Koi Mahjong free?

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

### Is MathCross Master! free?

MathCross Master! is free to download, with no in-app purchases.

### Which has better reviews, Koi Mahjong or MathCross Master!?

Koi Mahjong is rated higher. Koi Mahjong averages 4.9 out of 5 from 12K ratings, while MathCross Master! averages 4.6 from 7 ratings.

### Do Koi Mahjong or MathCross Master! have ads?

Both Koi Mahjong and MathCross Master! show ads.

### Which is updated more often, Koi Mahjong or MathCross Master!?

Koi Mahjong ships an update every 3 weeks, and MathCross Master! weekly. Most recently, Koi Mahjong was updated on October 28, 2026 and MathCross Master! on October 28, 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.*