OpenK vs 卡片星球
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenK
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一个可以给自闭症教师提供帮助的APP
卡片星球
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卡片星球将市面上的卡片机、逻辑机集成在一起，内容丰富，随时更新、方便快捷，快来下载体验吧。
Screenshots
Verdict
The clearest difference is update cadence: 卡片星球 at weekly against OpenK's every 6 weeks. OpenK's advantage is iOS requirement (9.0 vs 12.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OpenK ships an update every 6 weeks, 卡片星球 weekly. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.
| Parameter | OpenK | 卡片星球 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 112 MB | 189 MB |
| Age rating | 17+ | 4+ |
| Developer | Beijing Ingcare Technology Co.,Ltd. | 深圳市悦道科技有限公司 |
In-app purchases
OpenK
No in-app purchases
卡片星球
No in-app purchases
