# ERT eCOA Handheld vs YPrime eCOA

The clearest difference is rating: ERT eCOA Handheld at 4.7 against YPrime eCOA's 2.9. YPrime eCOA's advantage is update cadence (every 2 months vs every 58 months) and ratings volume (15 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ERT eCOA Handheld holds the better App Store score, 4.7 against 2.9. That said, the two scores are not equally well evidenced: YPrime eCOA has 15 ratings behind it against 3, so its average is the more settled of the two.

ERT eCOA Handheld ships an update every 58 months, YPrime eCOA every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | ERT eCOA Handheld | YPrime eCOA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/ert-ecoa-handheld/id1434464364/reviews)** | [2.9 (15 ratings)](https://appshunter.io/ios/app/yprime-ecoa/id1521277112/reviews) |
| Number of ratings | 3 | **15** |
| Positive reviews | — | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 76 MB | 131 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ERT,INC](https://appshunter.io/developer/1160214546) | [Y-Prime](https://appshunter.io/developer/872635320) |

## What reviewers say

### ERT eCOA Handheld

[App page](https://appshunter.io/ios/app/ert-ecoa-handheld/id1434464364)

This application facilitates the collection of clinical trial data by patients, caregivers, or site personnel. It provides a digital platform for accurate and efficient data entry during research studies.

**Highlights:** Clinical trial data collection, Patient data entry, Caregiver data entry, Site personnel data entry, Digital data platform

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ERT eCOA Handheld free?

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

### Is YPrime eCOA free?

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

### Which has better reviews, ERT eCOA Handheld or YPrime eCOA?

ERT eCOA Handheld is rated higher. ERT eCOA Handheld averages 4.7 out of 5 from 3 ratings, while YPrime eCOA averages 2.9 from 15 ratings.

### Do ERT eCOA Handheld or YPrime eCOA have ads?

Neither ERT eCOA Handheld nor YPrime eCOA shows ads.

### Which is updated more often, ERT eCOA Handheld or YPrime eCOA?

ERT eCOA Handheld ships an update every 58 months, and YPrime eCOA every 2 months. Most recently, ERT eCOA Handheld was updated on October 24, 2026 and YPrime eCOA on October 24, 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.*