# ATRIUM Anticoagulation Tool vs UNC Well Aware

The clearest difference is update cadence: UNC Well Aware at fortnightly against ATRIUM Anticoagulation Tool's every 3 months. ATRIUM Anticoagulation Tool's advantage is ratings volume (7 vs 1) and iOS requirement (8.0 vs 15.1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for ATRIUM Anticoagulation Tool against 5.0 for UNC Well Aware. That said, the two scores are not equally well evidenced: ATRIUM Anticoagulation Tool has 7 ratings behind it against 1, so its average is the more settled of the two.

ATRIUM Anticoagulation Tool ships an update every 3 months, UNC Well Aware fortnightly. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ATRIUM Anticoagulation Tool | UNC Well Aware |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/atrium-anticoagulation-tool/id1462668018/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/unc-well-aware/id1582671776/reviews) |
| Number of ratings | **7** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 6 MB | 26 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [University of Maryland Baltimore Foundation, Inc.](https://appshunter.io/developer/700757374) | [University of North Carolina at Chapel Hill](https://appshunter.io/developer/924947571) |

## What reviewers say

### ATRIUM Anticoagulation Tool

[App page](https://appshunter.io/ios/app/atrium-anticoagulation-tool/id1462668018)

This application assists healthcare professionals in managing anticoagulation therapy. It provides tools and information for medical practitioners, not for patient self-treatment. Patients should always consult their doctor for medical advice.

**Highlights:** Anticoagulation therapy management, Tools for healthcare professionals, Medical decision support, Patient treatment guidance

**Features:** macOS Compatibility

**In-app purchases:** none


### UNC Well Aware

[App page](https://appshunter.io/ios/app/unc-well-aware/id1582671776)

This app empowers well owners to test their water for lead, microbial, and arsenic contamination using at-home kits. It utilizes machine learning and color analysis to interpret test results and provides connections to local resources for further action.

**Highlights:** At-home water testing, Lead, microbe, and arsenic detection, AI-powered result analysis, Connect to local resources, Water test history, Citizen science participation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ATRIUM Anticoagulation Tool free?

ATRIUM Anticoagulation Tool is free to download, with no in-app purchases.

### Is UNC Well Aware free?

UNC Well Aware is free to download, with no in-app purchases.

### Which has better reviews, ATRIUM Anticoagulation Tool or UNC Well Aware?

ATRIUM Anticoagulation Tool and UNC Well Aware are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do ATRIUM Anticoagulation Tool or UNC Well Aware have ads?

Neither ATRIUM Anticoagulation Tool nor UNC Well Aware shows ads.

### Which is updated more often, ATRIUM Anticoagulation Tool or UNC Well Aware?

ATRIUM Anticoagulation Tool ships an update every 3 months, and UNC Well Aware fortnightly. Most recently, ATRIUM Anticoagulation Tool was updated on October 21, 2026 and UNC Well Aware on October 9, 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.*