# GP vs YPrime

The clearest difference is update cadence: YPrime at every 3 weeks against GP's every 8 months. GP's advantage is iOS requirement (7.1 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

GP ships an update every 8 months, YPrime every 3 weeks. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | GP | YPrime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yprime/id1659475338/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 72 MB | 110 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [IVAN FERNANDEZ VEGA](https://appshunter.io/developer/1063335726) | [Y-Prime](https://appshunter.io/developer/872635320) |

## What reviewers say

### GP

[App page](https://appshunter.io/ios/app/gp-helper/id1063335727)

**Features:** macOS Compatibility

**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 GP free?

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

### Is YPrime free?

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

### Do GP or YPrime have ads?

Neither GP nor YPrime shows ads.

### Which is updated more often, GP or YPrime?

GP ships an update every 8 months, and YPrime every 3 weeks. Most recently, GP was updated on October 15, 2026 and YPrime on October 21, 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.*