# 成語獸 vs Math Drills Mental Arithmetic

The clearest difference is price: 成語獸 at Free against Math Drills Mental Arithmetic's $1.99. Math Drills Mental Arithmetic's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

成語獸 is free to download; Math Drills Mental Arithmetic costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 成語獸 | Math Drills Mental Arithmetic |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 112 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chi Fang Huang](https://appshunter.io/developer/1538524661) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### 成語獸

[App page](https://appshunter.io/ios/app/id6780936893)

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

**In-app purchases:** none


### Math Drills Mental Arithmetic

[App page](https://appshunter.io/ios/app/math-drills-mental-arithmetic/id6786557456)

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

**In-app purchases:** none


## Frequently asked questions

### Is 成語獸 free?

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

### Is Math Drills Mental Arithmetic free?

Math Drills Mental Arithmetic costs $1.99, with no in-app purchases.

### Do 成語獸 or Math Drills Mental Arithmetic have ads?

Neither 成語獸 nor Math Drills Mental Arithmetic shows ads.

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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.*