BDL vs 尾巴信标
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BDL
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精子质量的定期监测，获得精子质量变化数据，本应用程序仅作为辅助工具使用，不能代替专业医疗建议、诊断或治疗。在做出任何医疗决定或更改治疗方案之前，请务必咨询医生或其他合格的医疗专业人员。
尾巴信标
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本产品是服务于宠物定位设备的配套移动端App 面向用户：宠物饲主，主要是犬类和猫类宠物的饲主 应用场景： 定位与安全：宠物出门玩耍的远程寻回；宠物走失的主动寻找；宠物躲藏的近距离寻找；宠物离家回家的监控；宠物靠近危险区域的报警； 运动与健康：宠物档案信息的维护；宠物每天睡眠和运动数据的采集；宠物睡眠量和活动量的趋势分析；睡眠异常和活动异常的报警； 社交：附近的宠物；宠物的步数排名；家庭组内部的宠物日记；公共养宠社区交友
Screenshots
Verdict
The clearest difference is iOS requirement: BDL at 13.0 against 尾巴信标's 15.0. On price, update cadence, ads and in-app purchases 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.
BDL ships an update every 2 weeks, 尾巴信标 fortnightly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.
| Parameter | BDL | 尾巴信标 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 51 MB | 97 MB |
| Age rating | 17+ | 4+ |
| Developer | Suzhou Boundless Medical Technology Co.,Ltd | Qingdao ZhongRuiYun Digit Technology Co., Ltd. |
In-app purchases
BDL
No in-app purchases
尾巴信标
No in-app purchases
