BDL vs 电牙
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。
电牙
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标题：智能录音助手 – 高品质语音录制与管理 简介： 随时随地录制高品质语音，轻松管理音频文件，支持回放、剪辑、分享，让你的每一段声音都井井有条。 详细描述： 智能录音助手，让录音更简单、高效。无论是会议、课堂、采访还是日常备忘，都能帮你快速捕捉每一段声音。
Screenshots
Verdict
The clearest difference is in-app purchases: BDL at none against 电牙's 3. BDL also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, 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. 电牙 sells 3 one-off in-app purchases. BDL asks for nothing beyond the download.
BDL ships an update every 2 weeks, 电牙 weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.
| Parameter | BDL | 电牙 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 51 MB | 45 MB |
| Age rating | 17+ | 4+ |
| Developer | Suzhou Boundless Medical Technology Co.,Ltd | Change the World (Shenzhen) Artificial Intelligence Technology Co., Ltd |
In-app purchases
BDL
No in-app purchases
电牙
- 10小时转写时长包$3.99
- 30小时转写时长包$9.99
- 100小时转写时长包$29.99
