Crazy arithmetic Competition vs 研成了
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crazy arithmetic Competition
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Crazy arithmetic，Challenge your brain.Arithmetic Competition.
研成了
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研成了是一款全新的智能题库，在学习过程中可以遇见各种不同的题型，更好的巩固知识点，为学员们打造更佳的学习环境。
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Verdict
The clearest difference is in-app purchases: Crazy arithmetic Competition at none against 研成了's 1. Crazy arithmetic Competition also leads on update cadence (every 3 months vs every 12 months). 研成了's advantage is iOS requirement (11.0 vs 13.0). On price, ads 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
Both are free to download. 研成了 sells 1 one-off in-app purchase. Crazy arithmetic Competition asks for nothing beyond the download.
Crazy arithmetic Competition ships an update every 3 months, 研成了 every 12 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.
| Parameter | Crazy arithmetic Competition | 研成了 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | 正洪 王 | 鑫 李 |
In-app purchases
Crazy arithmetic Competition
No in-app purchases
研成了
- 管理类综合•联考写作•精讲课$299.99
Questions
Is Crazy arithmetic Competition free?
Is 研成了 free?
Do Crazy arithmetic Competition or 研成了 have ads?
Which is updated more often, Crazy arithmetic Competition or 研成了?
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