# TrialMax App vs YPrime

The clearest difference is review sentiment: YPrime at 50% against TrialMax App's 5%. YPrime also leads on rating (5.0 vs 2.5). TrialMax App's advantage is ratings volume (99 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 2.5. That said, the two scores are not equally well evidenced: TrialMax App has 99 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 5% of TrialMax App's written reviews are positive against 50% of YPrime's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | TrialMax App | YPrime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (99 ratings)](https://appshunter.io/ios/app/trialmax-app/id1002332076/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yprime/id1659475338/reviews)** |
| Number of ratings | **99** | 1 |
| Positive reviews | 5.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 41 MB | 109 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Signant Health Oy](https://appshunter.io/developer/885378600) | [Y-Prime](https://appshunter.io/developer/872635320) |

## What reviewers say

### TrialMax App

[App page](https://appshunter.io/ios/app/trialmax-app/id1002332076)

Collect data from patients and caregivers in clinical trials for new medicines. Access study-specific questionnaires on the go, with reminders to help you follow the study protocol. Your privacy and anonymity are ensured.

**Highlights:** Patient and caregiver data collection, Study-specific questionnaires, On-the-go data entry, Study protocol reminders, Privacy and anonymity assured, Easy-to-use interface

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TrialMax App free?

TrialMax App is free to download, with no in-app purchases.

### Is YPrime free?

YPrime is free to download, with no in-app purchases.

### Which has better reviews, TrialMax App or YPrime?

YPrime is rated higher. TrialMax App averages 2.5 out of 5 from 99 ratings, while YPrime averages 5.0 from 1 ratings.

### Do TrialMax App or YPrime have ads?

Neither TrialMax App nor YPrime shows ads.

### Which is updated more often, TrialMax App or YPrime?

TrialMax App ships an update every 3 weeks, and YPrime every 3 weeks. Most recently, TrialMax App was updated on October 11, 2026 and YPrime on October 4, 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.*