Comparison

Patient Cloud vs REMAIN!

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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!

About

REMAIN!

This research study app provides health and wellness information and resources for adults in the United States. It covers various health and lifestyle topics to support users' diverse needs. Access requires a specific code provided through the research study.

Highlights
  • Health and wellness information
  • Lifestyle topic coverage
  • Research study participation
  • Resource provision
  • Targeted for US adults
Read full description

REMAIN is a research study app designed to provide health and wellness information and resources relevant to adults in the United States. REMAIN covers a range of health and lifestyle topics to support users’ diverse backgrounds and varying needs over time. The principal investigators for this study are Pamina Gorbach, DrPH, at the University of California, Los Angeles, Lisa Hightow-Weidman, MD, MPH, at Florida State University, and Sean Young, PhD, at the University of California, Irvine. The HMP platform was created by Lisa Hightow-Weidman, a public health scientist. HMP users need a code to open the app. To learn more about the study, email RemainApp@ph.ucla.edu. This mobile app is intended for informational, educational and research purposes only. No content in this app is intended to substitute for professional medical advice, diagnosis or treatment. While we do have board certified health care providers on our team, we are not YOUR health care provider. Participation in this app does not establish any kind of patient-client relationship. Although we strive to provide accurate general information, the content presented in the app is not a substitute for professional advice. Always seek the advice of YOUR physician or another qualified health care provider in your area with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never delay in seeking medical treatment because of something you read on this app. If you think you may have a medical emergency, immediately dial 911.

Screenshots

Patient Cloud4 screens
REMAIN!3 screens

Verdict

The call

The clearest difference is rating: REMAIN! at 4.0 against Patient Cloud's 2.6. Patient Cloud's advantage is ratings volume (113 vs 4) and iOS requirement (12.0 vs 15.1). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

REMAIN! holds the better App Store score, 4.0 against 2.6. That said, the two scores are not equally well evidenced: Patient Cloud has 113 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
Patient Cloud versus REMAIN!: the parameters behind the verdict, then further details
ParameterPatient CloudREMAIN!
PriceFreeFree
Rating2.6 (113 ratings)4.0 (4 ratings) — better
Positive reviews6.7% of reviews—
Number of ratings113 — better4
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size95 MB44 MB
Age rating4+17+
DeveloperMedidata Solutions WorldwideFlorida State University

Customer experience

Patient Cloud

All ratings113 ratings
Positive36.3%
Neutral4.4%
Negative59.3%
Written reviews60 reviews
Positive6.7%
Neutral11.7%
Negative81.7%

REMAIN!

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Patient Cloud

No in-app purchases

None

REMAIN!

No in-app purchases

Questions

Is Patient Cloud free?
Patient Cloud is free to download, with no in-app purchases.
Is REMAIN! free?
REMAIN! is free to download, with no in-app purchases.
Which has better reviews, Patient Cloud or REMAIN!?
REMAIN! is rated higher. Patient Cloud averages 2.6 out of 5 from 113 ratings, while REMAIN! averages 4.0 from 4 ratings.
Do Patient Cloud or REMAIN! have ads?
Neither Patient Cloud nor REMAIN! shows ads.
Which is updated more often, Patient Cloud or REMAIN!?
Patient Cloud ships an update monthly, and REMAIN! monthly. Most recently, Patient Cloud was updated on October 15, 2026 and REMAIN! on October 11, 2026.

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