Learn math：Math Helper vs 单价对比
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Learn math：Math Helper
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Online practice of mental arithmetic and generation of mental arithmetic PDF documents
单价对比
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当你在购物时候，看到相同商品不同的重量规格时候，可以采用这个小工具，分别输入两个商品的总价和重量，快速计算那一个单价更划算～
Screenshots
Verdict
The clearest difference is price: 单价对比 at Free against Learn math：Math Helper's $0.99. Learn math：Math Helper's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support 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
单价对比 is free to download; Learn math：Math Helper costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Learn math：Math Helper | 单价对比 |
|---|---|---|
| Price | $0.99 | Free — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | 倩倩 郝 | Hangzhou Qiheng Technology Co., Ltd. |
In-app purchases
Learn math：Math Helper
No in-app purchases
单价对比
No in-app purchases
