Jovie Study vs REMAIN!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jovie Study
This app facilitates participation in a clinical trial for infant formula, allowing subjects to manage study tasks and data collection remotely. It streamlines the research process by eliminating physical site visits, ensuring robust data collection and increased participant compliance.
- Remote clinical trial management
- Infant formula study participation
- Data collection and surveys
- Secure chat with study team
- Informed consent process
- Daily task completion
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Welcome to the Jovie Study: The Jovie app is a proprietary platform of ObvioHealth being used to manage a trial to study use of an investigational infant formula and how it affect infant growth and tolerance in comparison to current market formula or breast milk. The Jovie app removes the costly overhead of physical site visits and brings the trial directly to the mobile device of each subject. The result? Robust data collection, increased compliance, faster time to completion, and average cost savings of ~50% vs. traditional on-site trials. Subject Journey A subject who is identified as eligible for this study during pre-screening will be invited to download the Jovie App via e-mail. Upon download, the participants create a Jovie account and complete the Informed Consent process. A series of screens explains the parameters of the study, including: o Privacy Policy o Data Gathering & Usage o Study Tasks & Surveys o Time Commitment o Option to Withdraw Subjects will have the opportunity to connect with a member of the study team to ask questions prior to signing the informed consent form. Intervention Period:Daily Tasks Subjects will contribute data to the study by completing questionnaires and data uploads over a 5-day baseline period and 16-week active trial period. Subjects can interact with the study team via secure chat as needed.
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.
- Health and wellness information
- Lifestyle topic coverage
- Research study participation
- Resource provision
- Targeted for US adults
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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
Verdict
The clearest difference is rating: REMAIN! at 4.0 against Jovie Study's 2.5. Jovie Study's advantage is iOS requirement (11.0 vs 15.1). On price, ratings volume, update cadence and ads 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.
REMAIN! holds the better App Store score, 4.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
Jovie Study ships an update every 3 weeks, REMAIN! every 5 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | Jovie Study | REMAIN! |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 4.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 62 MB | 46 MB |
| Age rating | 4+ | 17+ |
| Developer | Obvio Health USA Inc. | Florida State University |
Customer experience
Jovie Study
REMAIN!
In-app purchases
Jovie Study
No in-app purchases
REMAIN!
No in-app purchases








