Patient Cloud vs Janssen E.ngage
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Patient Cloud
This app streamlines patient engagement and data collection for clinical trials. It allows patients to easily participate in studies by answering questionnaires on their mobile devices, while healthcare professionals and researchers can manage invitations and access real-time data.
- ePRO, ClinRO, and site mode functionality
- Patient engagement and data management
- Clinical trial participation via mobile
- Questionnaire completion from home
- Patient invitation and health data collection
- Integration with Medidata Rave
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Medidata Patient Cloud eCOA provides a single app for ePRO, ClinROs and site mode functionality to better integrate workflows. It changes the information flow and management of patient engagement for patients, clinical researchers, and healthcare professionals. A single app for all users enables clinicians and investigators to assist patients with accessing PRO instruments where appropriate. Patients: Download Patient Cloud eCOA app for free, receive an invitation from your doctor and you can participate in a clinical trial — it's that easy! Patient Cloud eCOA lets you answer clinical trial questionnaires from the comfort of your own home, or wherever is convenient for you. Healthcare professionals: Patient Cloud eCOA allows you to invite patients to your studies and have them provide health data using their mobile devices. Patient Cloud eCOA simplifies the patient reported component of your clinical trials. Clinical Researchers: Patient Cloud eCOA is part of the Medidata platform, including Medidata Rave®. It frees you from reliance on proprietary devices and reduces study setup time and effort. By leveraging Rave, you can build your own questionnaires and easily make them available for patients. Entered data is accessible to you and your partners immediately. As part of the Medidata platform, the full functionality of the platform is at your fingertips. Contact Medidata Solutions today to get started right away!
Janssen E.ngage
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The Janssen eCOA App is intended for use collect patient reported outcomes relating to the VAC52416BAC3002 / E.ngage clinical trial. Patients must be given accounts by a participating site in order to log in to the app.
Screenshots
Verdict
Patient Cloud and Janssen E.ngage are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Patient Cloud ships an update every 5 weeks, Janssen E.ngage every 6 weeks. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.
| Parameter | Patient Cloud | Janssen E.ngage |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (113 ratings) — better | — |
| Positive reviews | 6.7% of reviews | — |
| Number of ratings | 113 — better | — |
| Update frequency | Every 5 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 84 MB | 69 MB |
| Age rating | 4+ | 12+ |
| Developer | Medidata Solutions Worldwide | ERT,INC |
In-app purchases
Patient Cloud
No in-app purchases
Janssen E.ngage
No in-app purchases
