# 思默业务助手 vs eCOA

The clearest difference is device support: eCOA at 3 against 思默业务助手's 1. eCOA also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

思默业务助手 ships an update every 5 weeks, eCOA monthly. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 思默业务助手 | eCOA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ecoa/id1599236633/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Ad-supported |
| Size | 19 MB | 69 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [杭州泰格医药科技股份有限公司](https://appshunter.io/developer/1537723587) | [EClinCloud (Shenzhen) Technology Co., Ltd](https://appshunter.io/developer/1572780199) |

## What reviewers say

### 思默业务助手

[App page](https://appshunter.io/ios/app/id1596049652)

**Features:** macOS Compatibility

**In-app purchases:** none


### eCOA

[App page](https://appshunter.io/ios/app/ecoa/id1599236633)

This app facilitates real-time patient feedback collection during clinical trials. It streamlines the process of gathering accurate patient input to speed up drug development, offering features like easy login and timely reminders.

**Highlights:** Real-time patient feedback, Clinical trial data collection, Patient-centered design, Easy login, User training, Scale completion, Timely reminders

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 思默业务助手 free?

思默业务助手 is free to download, with no in-app purchases.

### Is eCOA free?

eCOA is free to download, with no in-app purchases.

### Do 思默业务助手 or eCOA have ads?

Neither 思默业务助手 nor eCOA shows ads.

### Which is updated more often, 思默业务助手 or eCOA?

思默业务助手 ships an update every 5 weeks, and eCOA monthly. Most recently, 思默业务助手 was updated on September 12, 2026 and eCOA on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*