# 创达EDC数据源采集录入系统 vs O

The clearest difference is iOS requirement: 创达EDC数据源采集录入系统 at 12.0 against O's 15.0. 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.

创达EDC数据源采集录入系统 ships an update every 5 weeks, O every 4 weeks. The most recent releases landed on September 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 创达EDC数据源采集录入系统 | O |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Size | 11 MB | 28 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [创达医药科技(上海)有限公司](https://appshunter.io/developer/1388792400) | [铨融 (苏州)医药科技开发有限公司](https://appshunter.io/developer/1253822764) |

## 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


### O

[App page](https://appshunter.io/ios/app/o-trial-plus/id1423521217)

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

**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 O free?

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

### Do 创达EDC数据源采集录入系统 or O have ads?

Neither 创达EDC数据源采集录入系统 nor O shows ads.

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

创达EDC数据源采集录入系统 ships an update every 5 weeks, and O every 4 weeks. Most recently, 创达EDC数据源采集录入系统 was updated on September 17, 2026 and O on October 12, 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.*