# YPrime vs Lesion Area Mapping Assistant

YPrime and Lesion Area Mapping Assistant are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

YPrime ships an update every 3 weeks, Lesion Area Mapping Assistant every 4 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | YPrime | Lesion Area Mapping Assistant |
| --- | --- | --- |
| 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 3 weeks** | Every 4 weeks |
| Monetization | Free | — |
| Size | 110 MB | 75 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Y-Prime](https://appshunter.io/developer/872635320) | [Thalocan Research Innovations, LLC](https://appshunter.io/developer/1751968718) |

## 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


### Lesion Area Mapping Assistant

[App page](https://appshunter.io/ios/app/lesion-area-mapping-assistant/id6504364279)

**In-app purchases:** none


## Frequently asked questions

### Is YPrime free?

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

### Is Lesion Area Mapping Assistant free?

Lesion Area Mapping Assistant is free to download, with no in-app purchases.

### Do YPrime or Lesion Area Mapping Assistant have ads?

Neither YPrime nor Lesion Area Mapping Assistant shows ads.

### Which is updated more often, YPrime or Lesion Area Mapping Assistant?

YPrime ships an update every 3 weeks, and Lesion Area Mapping Assistant every 4 weeks. Most recently, YPrime was updated on October 21, 2026 and Lesion Area Mapping Assistant on October 24, 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.*