# YPrime eCOA vs Site2Test

The clearest difference is iOS requirement: YPrime eCOA at 12.0 against Site2Test's 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.

YPrime eCOA ships an update every 2 months, Site2Test every 3 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | YPrime eCOA | Site2Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (14 ratings)](https://appshunter.io/ios/app/yprime-ecoa/id1521277112/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 131 MB | 14 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Y-Prime](https://appshunter.io/developer/872635320) | [GlaxoSmithKline PLC](https://appshunter.io/developer/433740848) |

## What reviewers say

### YPrime eCOA

[App page](https://appshunter.io/ios/app/yprime-ecoa/id1521277112)

Access clinical study questionnaires on your personal device. Use your enrollment ID to log in and complete required training. The app reminds you of upcoming questionnaires based on your visit schedule, ensuring compliance with study requirements.

**Highlights:** Access study questionnaires, Personal device access, Enrollment ID login, Study-specific questionnaires, Visit schedule reminders, Compliance tracking

**In-app purchases:** none


### Site2Test

[App page](https://appshunter.io/ios/app/site2test/id6446329136)

**In-app purchases:** none


## Frequently asked questions

### Is YPrime eCOA free?

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

### Is Site2Test free?

Site2Test is free to download, with no in-app purchases.

### Do YPrime eCOA or Site2Test have ads?

Neither YPrime eCOA nor Site2Test shows ads.

### Which is updated more often, YPrime eCOA or Site2Test?

YPrime eCOA ships an update every 2 months, and Site2Test every 3 months. Most recently, YPrime eCOA was updated on October 2, 2026 and Site2Test on September 30, 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.*