TrialOnline vs YPrime eCOA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TrialOnline
This application serves as a patient portal for clinical research participants, allowing them to complete study-specific questionnaires and communicate with healthcare personnel. It facilitates secure data gathering and ensures patient anonymity throughout clinical trials, adhering to international regulations.
- Patient portal for clinical research
- Study-specific questionnaires
- Secure data gathering
- Patient anonymity
- Video, voice, and text communication
- Site-to-patient communication module
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This app is used for participants in clinical research projects. The app is the patient portal for data that will be gathered from patients during clinical trials. Healthcare personnel who manage the clinical trial will invite patients to use the app by sending a registration code and get access to study-specific questionnaires. The app also includes a communication module to use for Site-to-Patient communication during clinical trials. This enables communication via video calls, voice calls, and text messages. TrialOnline ensures personal data integrity and ensures anonymity in clinical trials. The app fulfills international regulations and laws for patient integrity.
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.
Screenshots
Verdict
The clearest difference is rating: YPrime eCOA at 2.9 against TrialOnline's 2.5. YPrime eCOA also leads on review sentiment (13% vs 0%) and ratings volume (15 vs 2). 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 holds the better App Store score, 2.9 against 2.5. That said, the two scores are not equally well evidenced: YPrime eCOA has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of TrialOnline's written reviews are positive against 13% of YPrime eCOA's.
TrialOnline ships an update every 3 months, YPrime eCOA every 2 months. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.
| Parameter | TrialOnline | YPrime eCOA |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 2.9 (15 ratings) — better |
| Positive reviews | 0.0% of reviews | 12.5% of reviews — better |
| Number of ratings | 2 | 15 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 71 MB | 131 MB |
| Age rating | 17+ | 4+ |
| Developer | Replior AB | Y-Prime |
Customer experience
TrialOnline
YPrime eCOA
In-app purchases
TrialOnline
No in-app purchases
YPrime eCOA
No in-app purchases
