UMA Abacus vs 课堂主控（64位版）
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UMA Abacus
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Use iPad or iPhone as abacus to learn traditional abacus method. It is easy and fun. We have used iPad to teach abacus for more than 10 years. It is the easiest way of learning abacus. With iPad virtual abacus, we can customise the syllabus for each student with his own version. We will always provide the most efficient syllabus for each kid and they can alway learn with the optimal speeds. With iPad virtual abacus, we can build a learning path for the kid that is easier to follow up and you will not easily get stuck with the books as the only tool like the traditional method of learning abacus.
课堂主控（64位版）
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全新升级的无纸化教室主控系统，采用新的iOS SDK，专为64位苹果终端开发，可充分利用硬件性能。
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | UMA Abacus | 课堂主控（64位版） |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | — |
| Ads | No | — |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 73 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | shuihua zhu | Beijing You-Yeah Cultural Development Co., Ltd. |
In-app purchases
UMA Abacus
No in-app purchases
课堂主控（64位版）
No in-app purchases
