Patient Cloud vs Cloud ePRO
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!
Cloud ePRO
This application facilitates clinical trial participation by enabling patients to submit data through questionnaires and electronic diaries. It also supports follow-up management, direct communication, and message reminders.
- Patient data collection
- Questionnaires and scales
- Electronic diaries
- Follow-up management
- Online communication
- Message reminders
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Cloud ePRO focuses on clinical trial platforms to serve patients. It supports functions such as collecting data from patients (questionnaires, scales, electronic diaries), follow-up management, online communication and various message reminders.
Screenshots
Verdict
The clearest difference is rating: Patient Cloud at 2.6 against Cloud ePRO's 1.0. Patient Cloud also leads on ratings volume (113 vs 1). 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.
Patient Cloud holds the better App Store score, 2.6 against 1.0. That said, the two scores are not equally well evidenced: Patient Cloud has 113 ratings behind it against 1, so its average is the more settled of the two.
Patient Cloud ships an update monthly, Cloud ePRO every 2 months. The most recent releases landed on October 7, 2026 and September 15, 2026 respectively.
| Parameter | Patient Cloud | Cloud ePRO |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (113 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 6.7% of reviews | — |
| Number of ratings | 113 — better | 1 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 95 MB | 61 MB |
| Age rating | 4+ | 17+ |
| Developer | Medidata Solutions Worldwide | Clinflash Healthcare Technology (Jiaxing) Co.,Ltd |
Customer experience
Patient Cloud
Cloud ePRO
In-app purchases
Patient Cloud
No in-app purchases
Cloud ePRO
No in-app purchases








