# UMA Abacus vs 课堂主控（64位版）

The clearest difference is device support: UMA Abacus at 3 against 课堂主控（64位版）'s —. 课堂主控（64位版）'s advantage is iOS requirement (12.0 vs 15.6). On price 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.

## The numbers

| Metric | UMA Abacus | 课堂主控（64位版） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 73 MB | 78 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [shuihua zhu](https://appshunter.io/developer/1444836907) | [Beijing You-Yeah Cultural Development Co., Ltd.](https://appshunter.io/developer/1142633858) |

## What reviewers say

### UMA Abacus

[App page](https://appshunter.io/ios/app/uma-abacus/id1460627418)

**Features:** macOS Compatibility

**In-app purchases:** none


### 课堂主控（64位版）

[App page](https://appshunter.io/ios/app/64/id1625244209)

**In-app purchases:** none


## Frequently asked questions

### Is UMA Abacus free?

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

### Is 课堂主控（64位版） free?

课堂主控（64位版） is free to download, with no in-app purchases.

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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.*