云上四教 vs 元题库
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
云上四教
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中国科学技术大学网络教学平台移动客户端云上四教
元题库
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专门针对刷题用户的模块。 海量题库随意刷，文字解析更明了，智能生成答题报告，即刻检测自己； 错题难题可以收藏学习，更有针对性练习。
Screenshots
Verdict
The clearest difference is in-app purchases: 云上四教 at none against 元题库's 6. 元题库's advantage is update cadence (every 4 weeks vs every 9 months). On price, ads, device support and iOS requirement 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. 元题库 sells 6 one-off in-app purchases. 云上四教 asks for nothing beyond the download.
云上四教 ships an update every 9 months, 元题库 every 4 weeks. The most recent releases landed on October 27, 2026 and October 18, 2026 respectively.
| Parameter | 云上四教 | 元题库 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 | 10.0 |
| Further details — not scored | ||
| Size | 196 MB | 114 MB |
| Age rating | 4+ | 12+ |
| Developer | University of Science and Technology of China | 大千 陈 |
In-app purchases
云上四教
No in-app purchases
元题库
- 6元=600金币$0.99
- 12元=1200金币$1.99
- 18元=1800金币$2.99
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- 30元=3000金币$3.99
- 88元=8800金币$12.99
- 188元=18800金币$29.99
