# Crazy Maths. vs SixFour Chess

The clearest difference is update cadence: SixFour Chess at every 2 months against Crazy Maths.'s every 64 months. Crazy Maths.'s advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

Crazy Maths. ships an update every 64 months, SixFour Chess every 2 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Crazy Maths. | SixFour Chess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/crazy-maths/id963527104/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 64 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 26 MB | 10 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fernando Gonzalez Frias](https://appshunter.io/developer/582325220) | [Adouani SAS](https://appshunter.io/developer/1635325565) |

## What reviewers say

### Crazy Maths.

[App page](https://appshunter.io/ios/app/crazy-maths/id963527104)

This app offers a fun way to learn and practice fundamental math skills. It covers addition, subtraction, multiplication, division, and number theory concepts through engaging exercises and game modes. Designed for self-improvement, it helps build arithmetic fluency and mental math strategies.

**Highlights:** Basic arithmetic practice, Number theory concepts, Multiplication table learning, Mental math strategies, Multiple difficulty levels, High scores and awards, Fun animations

**Features:** macOS Compatibility

**In-app purchases:** none


### SixFour Chess

[App page](https://appshunter.io/ios/app/sixfour-chess/id6755084189)

**In-app purchases:** none


## Frequently asked questions

### Is Crazy Maths. free?

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

### Is SixFour Chess free?

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

### Do Crazy Maths. or SixFour Chess have ads?

Neither Crazy Maths. nor SixFour Chess shows ads.

### Which is updated more often, Crazy Maths. or SixFour Chess?

Crazy Maths. ships an update every 64 months, and SixFour Chess every 2 months. Most recently, Crazy Maths. was updated on October 6, 2026 and SixFour Chess on October 5, 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.*