WAFERKEY vs CHW Watch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WAFERKEY
This app provides a user-friendly mobile platform for access control. It allows you to unlock doors with your phone and manage access flexibly with options for recurring, temporary, or one-time permissions. You can also share access and review lock history.
- Unlock doors via smartphone
- Flexible access management
- Recurring, temporary, and one-time access
- Share access permissions
- Track lock history
- Bluetooth 4.0+ compatibility
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WAFERKEY Mobile App Make it smart with WAFERKEY! WAFERKEY is a user-friendly platform for mobile access control. Using our mobile app can let you easily manage access in your daily life. With WAFERKEY App, it allows you to unlock the door via your mobile phone. This app also supports flexible access management including recurring, temporary, and one-time access. You are able to share access at any given time, and keep track of your lock history. If you have any questions, please contact us: support.app@waferlock.com --- • WAFERKEY is compatible with most smartphones equipped with Bluetooth 4.0 or higher and running IOS 15.6 or later versions. • WAFERKEY may not operate properly if it is not compatible with the device used. • For more information about smart lock models which are built in with Bluetooth modules and support WAFERKEY, please contact with our sales team. --- Attention WAFERKEY users: Please note that in order to provide better service, all users must update to version 2.0.0 or above after 10:00 AM May 31, 2023 (UTC+8) If you encounter any issues with WAFERKEY, please don't worry. Simply update to the latest version to resume normal usage.
CHW Watch
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CHW Watch 提供全面性的水資源監測系統，具備即時警報與歷史數據記錄功能。使用者可即時掌握水質、水壓與水位狀態，並查閱完整的維護歷史，以提升水資源管理效率。
Screenshots
Verdict
The clearest difference is update cadence: CHW Watch at every 2 weeks against WAFERKEY's every 2 months. CHW Watch also leads on iOS requirement (13.0 vs 15.6). 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.
WAFERKEY ships an update every 2 months, CHW Watch every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | WAFERKEY | CHW Watch |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 23.1% of reviews | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 140 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | WAFERLOCK Corp. | Shih You tzu |
In-app purchases
WAFERKEY
No in-app purchases
CHW Watch
No in-app purchases
