Linker拜访 vs eCOA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Linker拜访
This app offers comprehensive management for business visits, tracking personnel, locations, times, and content. It streamlines the entire visit process for professional use.
- 4W model tracking (who, where, when, what)
- Scientific tracking of visit details
- Professional visit process management
- Streamlined business visit operations
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为业务提供专业化拜访全过程管理，实现：4W 模式 ，即人员（who）、地点（where）、时间（when）、内容（what)科学跟踪
eCOA
This application facilitates the real-time collection and tracking of patient feedback during clinical trials. It streamlines the process of gathering accurate patient input to expedite drug development.
- Real-time patient feedback capture
- Track patient input
- Simplify data collection
- User training
- Scale completion
- Timely reminders
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eCOA is a patient-centered app from EClinCloud designed to capture and track real-time patient feedback during clinical trials. It simplifies the collection of accurate, direct patient input, helping to accelerate drug development. Key features include easy login, user training, scale completion, and timely reminders, making it straightforward and convenient for patients to share their trial experiences.
Screenshots
Verdict
The clearest difference is in-app purchases: eCOA at none against Linker拜访's 4. eCOA also leads on ads (none vs shown). Linker拜访's advantage is update cadence (every 11 days vs monthly). On price, rating, ratings volume 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. Linker拜访 sells 4 one-off in-app purchases. eCOA asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Linker拜访 against 5.0 for eCOA. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Linker拜访 ships an update every 11 days, eCOA monthly. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | Linker拜访 | eCOA |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 11 days — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 120 MB | 70 MB |
| Age rating | 4+ | 17+ |
| Developer | 北京元和圣通科技发展有限责任公司 | EClinCloud (Shenzhen) Technology Co., Ltd |
Customer experience
Linker拜访
eCOA
In-app purchases
Linker拜访
- 花费1元打赏给直播中的讲师$0.99
- 花费8元打赏给直播中的讲师$0.99
- 花费6元打赏给直播中的讲师$0.99
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- 花费12元打赏给直播中的讲师$1.99
eCOA
No in-app purchases
