CTPTS vs CHW Watch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CTPTS
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協助臨床試驗研究人員，即時回報試驗狀況及經費，快速查詢預計回診病患資訊，提昇臨床試驗計劃的研究效率及品質。
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 CTPTS's monthly. CHW Watch also leads on iOS requirement (13.0 vs 15.0). 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.
CTPTS ships an update monthly, CHW Watch every 2 weeks. The most recent releases landed on September 19, 2026 and September 5, 2026 respectively.
| Parameter | CTPTS | CHW Watch |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | CHIEN TING Yeh | Shih You tzu |
In-app purchases
CTPTS
No in-app purchases
CHW Watch
No in-app purchases
