# Crazy arithmetic Competition vs Mental Math Pro

The clearest difference is in-app purchases: Crazy arithmetic Competition at none against Mental Math Pro's 1. Crazy arithmetic Competition also leads on ads (none vs shown). Mental Math Pro's advantage is update cadence (fortnightly vs every 3 months) and iOS requirement (10.0 vs 13.0). On price and device support there is nothing between them.

Both are free to download. Mental Math Pro sells 1 one-off in-app purchase. Crazy arithmetic Competition asks for nothing beyond the download.

Crazy arithmetic Competition ships an update every 3 months, Mental Math Pro fortnightly. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Crazy arithmetic Competition | Mental Math Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (9 ratings)](https://appshunter.io/ios/app/mental-math-pro-math-quiz/id6448457945/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 77.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 34 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [正洪 王](https://appshunter.io/developer/1041876354) | [Peikun Duan](https://appshunter.io/developer/1240254007) |

## What reviewers say

### Crazy arithmetic Competition

[App page](https://appshunter.io/ios/app/crazy-arithmetic-competition/id1483559516)

**In-app purchases:** none


### Mental Math Pro

[App page](https://appshunter.io/ios/app/mental-math-pro-math-quiz/id6448457945)

Practice basic math operations like addition, subtraction, multiplication, and division through engaging games. Offers customizable difficulty levels and a two-player battle mode to enhance logical thinking and mental arithmetic skills for all ages.

**Highlights:** Addition, subtraction, multiplication, division practice, Adjustable difficulty levels, Two-player battle mode, Game-like learning experience, Brain training and logical thinking enhancement, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Crazy arithmetic Competition free?

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

### Is Mental Math Pro free?

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

### Do Crazy arithmetic Competition or Mental Math Pro have ads?

Mental Math Pro shows ads; Crazy arithmetic Competition does not.

### Which is updated more often, Crazy arithmetic Competition or Mental Math Pro?

Crazy arithmetic Competition ships an update every 3 months, and Mental Math Pro fortnightly. Most recently, Crazy arithmetic Competition was updated on October 4, 2026 and Mental Math Pro on October 15, 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.*