灰板 vs 八弟约潜
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
灰板
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灰板打造了中外合办大学的专属校园社交平台，我们的应用将社交的艺术发挥到极致，并且提供了极其便利的校园生活工具，为在校学生的学习赋能，极大提升学生的生产力。
八弟约潜
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丨潜水员专属社区 丨徽章系统直白看清对方潜水等级 丨找教练可以打分评价，再也不怕遇到业余教练 丨教练自主开潜店，打造潜水教练专属生态群组 丨找搭子、学潜水，来八弟约潜一站式潜水平台
Screenshots
Verdict
灰板 and 八弟约潜 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
灰板 ships an update every 2 months, 八弟约潜 every 4 weeks. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.
| Parameter | 灰板 | 八弟约潜 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 34 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenqian Technology (Suzhou) Co., Ltd. | Buddy (Shenzhen) Sports Culture Co., Ltd |
In-app purchases
灰板
No in-app purchases
八弟约潜
No in-app purchases
