# YPrime vs REMAIN!

The clearest difference is rating: YPrime at 5.0 against REMAIN!'s 4.0. REMAIN!'s advantage is ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

YPrime holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

YPrime ships an update every 3 weeks, REMAIN! monthly. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | YPrime | REMAIN! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yprime/id1659475338/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/remain/id6469935179/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 109 MB | 44 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Y-Prime](https://appshunter.io/developer/872635320) | [Florida State University](https://appshunter.io/developer/372797914) |

## What reviewers say

### YPrime

[App page](https://appshunter.io/ios/app/yprime/id1659475338)

Manage your clinical study tasks conveniently from your personal device. Log in using your enrollment ID to complete training and stay connected to your study activities, fitting them into your daily schedule.

**Highlights:** Log in and review study tasks, Complete clinical study activities, Manage tasks at your own pace, Stay connected to your study, Use on personal devices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### REMAIN!

[App page](https://appshunter.io/ios/app/remain/id6469935179)

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

**In-app purchases:** none


## Frequently asked questions

### Is YPrime free?

YPrime 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, YPrime or REMAIN!?

YPrime is rated higher. YPrime averages 5.0 out of 5 from 1 ratings, while REMAIN! averages 4.0 from 4 ratings.

### Do YPrime or REMAIN! have ads?

Neither YPrime nor REMAIN! shows ads.

### Which is updated more often, YPrime or REMAIN!?

YPrime ships an update every 3 weeks, and REMAIN! monthly. Most recently, YPrime was updated on October 4, 2026 and REMAIN! on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*