Learn math：Math Helper vs 票周到
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
票周到
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无需电脑，一部手机，完成靠谱 手机开票，一键开票，一码开票 手机查票，发票查询，发票统计 手机管票，发票领取，发票作废
Screenshots
Verdict
The clearest difference is price: 票周到 at Free against Learn math：Math Helper's $0.99. 票周到 also leads on iOS requirement (11.0 vs 13.0). 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
票周到 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 | 票周到 |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | 倩倩 郝 | Jiangsu Weiqitong Software Technology Co., Ltd. |
In-app purchases
Learn math：Math Helper
No in-app purchases
票周到
No in-app purchases
