# Mental Math Ninja vs FracTopia

The clearest difference is in-app purchases: FracTopia at none against Mental Math Ninja's 1. Mental Math Ninja's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Mental Math Ninja sells 1 one-off in-app purchase. FracTopia asks for nothing beyond the download.

Mental Math Ninja ships an update every 2 weeks, FracTopia every 2 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Mental Math Ninja | FracTopia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 17 MB | 107 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sphulling Technologies](https://appshunter.io/developer/1540194995) | [CEMWARE, Inc.](https://appshunter.io/developer/1435130429) |

## What reviewers say

### Mental Math Ninja

[App page](https://appshunter.io/ios/app/mental-math-ninja/id1441928183)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Do More Math | $0.99 | one-time |


### FracTopia

[App page](https://appshunter.io/ios/app/fractopia/id6483618010)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math Ninja free?

Mental Math Ninja is free to download, with in-app purchases available.

### Is FracTopia free?

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

### Do Mental Math Ninja or FracTopia have ads?

FracTopia shows ads; Mental Math Ninja does not.

### Which is updated more often, Mental Math Ninja or FracTopia?

Mental Math Ninja ships an update every 2 weeks, and FracTopia every 2 months. Most recently, Mental Math Ninja was updated on October 4, 2026 and FracTopia 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.*