# 创达EDC数据源采集录入系统 vs 艾瑞嘉CTMS

The clearest difference is iOS requirement: 创达EDC数据源采集录入系统 at 12.0 against 艾瑞嘉CTMS's 15.6. 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.

创达EDC数据源采集录入系统 ships an update every 5 weeks, 艾瑞嘉CTMS every 2 months. Both last shipped on September 17, 2026.

## The numbers

| Metric | 创达EDC数据源采集录入系统 | 艾瑞嘉CTMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 11 MB | 6 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [创达医药科技(上海)有限公司](https://appshunter.io/developer/1388792400) | [UNIMED SCIENTIFIC,Inc](https://appshunter.io/developer/981824434) |

## What reviewers say

### 创达EDC数据源采集录入系统

[App page](https://appshunter.io/ios/app/edc/id1388792401)

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

**In-app purchases:** none


### 艾瑞嘉CTMS

[App page](https://appshunter.io/ios/app/ctms/id1551759482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 创达EDC数据源采集录入系统 free?

创达EDC数据源采集录入系统 is free to download, with no in-app purchases.

### Is 艾瑞嘉CTMS free?

艾瑞嘉CTMS is free to download, with no in-app purchases.

### Do 创达EDC数据源采集录入系统 or 艾瑞嘉CTMS have ads?

Neither 创达EDC数据源采集录入系统 nor 艾瑞嘉CTMS shows ads.

### Which is updated more often, 创达EDC数据源采集录入系统 or 艾瑞嘉CTMS?

创达EDC数据源采集录入系统 ships an update every 5 weeks, and 艾瑞嘉CTMS every 2 months. Most recently, 创达EDC数据源采集录入系统 was updated on September 17, 2026 and 艾瑞嘉CTMS on September 17, 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.*