# Atom5 vs YPrime

The clearest difference is review sentiment: YPrime at 50% against Atom5's 40%. 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.

Atom5 ships an update monthly, YPrime every 3 weeks. The most recent releases landed on August 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Atom5 | YPrime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (13 ratings)](https://appshunter.io/ios/app/atom5/id1537814255/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 40.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 101 MB | 107 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Aparito Ltd](https://appshunter.io/developer/1114009046) | [Y-Prime](https://appshunter.io/developer/872635320) |

## What reviewers say

### Atom5

[App page](https://appshunter.io/ios/app/atom5/id1537814255)

This platform enables remote patient monitoring for various medical conditions, collecting data to quantify patient well-being and treatment response. It offers new outcome measures for assessing how patients feel, function, and react to therapies.

**Highlights:** Remote patient monitoring, Digital endpoint data collection, Quantifies patient well-being, Measures treatment response, Outcome measures for patient function

**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 Atom5 free?

Atom5 is free to download, with no in-app purchases.

### Is YPrime free?

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

### Do Atom5 or YPrime have ads?

Neither Atom5 nor YPrime shows ads.

### Which is updated more often, Atom5 or YPrime?

Atom5 ships an update monthly, and YPrime every 3 weeks. Most recently, Atom5 was updated on August 24, 2026 and YPrime on September 17, 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.*