# MathZombie! vs GACHI CROSS

The clearest difference is ads: GACHI CROSS at none against MathZombie!'s shown. GACHI CROSS also leads on update cadence (every 8 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MathZombie! ships an update every 2 months, GACHI CROSS every 8 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | MathZombie! | GACHI CROSS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 179 MB | 69 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [M kajimura](https://appshunter.io/developer/1138663828) | [Yuya Yoshida](https://appshunter.io/developer/1823829175) |

## What reviewers say

### MathZombie!

[App page](https://appshunter.io/ios/app/mathzombie/id1537760395)

Engage in a brain-training calculation game to defeat zombies with mental arithmetic. Solve addition, subtraction, and multiplication problems to progress through increasingly difficult stages and compete on global leaderboards. Practice makes perfect for faster calculations.

**Highlights:** Mental arithmetic training, Addition, subtraction, multiplication, Progressive difficulty levels, In-game coin collection, Global and net rankings, Bluetooth keyboard support

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

**In-app purchases:** none


### GACHI CROSS

[App page](https://appshunter.io/ios/app/gachi-cross/id6763540292)

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

**In-app purchases:** none


## Frequently asked questions

### Is MathZombie! free?

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

### Is GACHI CROSS free?

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

### Do MathZombie! or GACHI CROSS have ads?

MathZombie! shows ads; GACHI CROSS does not.

### Which is updated more often, MathZombie! or GACHI CROSS?

MathZombie! ships an update every 2 months, and GACHI CROSS every 8 days. Most recently, MathZombie! was updated on November 3, 2026 and GACHI CROSS on November 9, 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.*