YPrime eCOA vs Site2Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YPrime eCOA
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.
- Access study questionnaires
- Personal device access
- Enrollment ID login
- Study-specific questionnaires
- Visit schedule reminders
- Compliance tracking
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Access study participant questionnaires easily and with minimal day to day disruption by downloading this app on your personal device. Using the enrollment ID provided by your medical professional, create your unique login code and complete your training to begin. The available questionnaires will be specific to your clinical study and the YPrime eCOA application will remind you when the questionnaires need to be completed based off your visit schedule. Use this app to meet clinical study questionnaire completion and compliance requirements.
Site2Test
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The GSK Site2Test is an application to digitalise the collection activities of samples at clinical sites in order to significantly reduce the time required between sample collection and lab result generation. Features: Access Management: The aim of this process is to identify each action by a user. The site staff member and the laboratory technician will access the login page of the product. He/she will provide email address and password to authenticate to the product and access the different functionalities. Manage subject information: The aim of this process is to uniquely link a study participant (subject) to a QR code. Collect sample: The aim of this process is to collect sample information when samples are collected directly from the subject (e.g., Blood Draw, Nasal Swab…). Prepare sample: The aim of this process is to collect sample information when collected samples are processed at preparation laboratories (e.g., serum separation, plasma preparation…). Manage sample information: The aim of this process is to consult/invalidate or edit sample information related to a tube. Shipment: The aim of this process is to scan samples that will be part of one shipment. Audit Trail: The audit trail records information for each action that creates relevant GxP data such as the identification/link to the associated record/data, the user who made the change, the date or time stamp of change, the specific action, the old and new values, etc.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | YPrime eCOA | Site2Test |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (14 ratings) — better | — |
| Positive reviews | 12.5% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 131 MB | 14 MB |
| Age rating | 4+ | 12+ |
| Developer | Y-Prime | GlaxoSmithKline PLC |
In-app purchases
YPrime eCOA
No in-app purchases
Site2Test
No in-app purchases








