# ATRIUM Anticoagulation Tool vs Hoffman Anesthesia

The clearest difference is in-app purchases: ATRIUM Anticoagulation Tool at none against Hoffman Anesthesia's 10. ATRIUM Anticoagulation Tool also leads on iOS requirement (8.0 vs 18.5). Hoffman Anesthesia's advantage is update cadence (every 3 days vs every 3 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Hoffman Anesthesia sells 10 one-off in-app purchases. ATRIUM Anticoagulation Tool asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ATRIUM Anticoagulation Tool against 5.0 for Hoffman Anesthesia. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

ATRIUM Anticoagulation Tool ships an update every 3 months, Hoffman Anesthesia every 3 days. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | ATRIUM Anticoagulation Tool | Hoffman Anesthesia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/atrium-anticoagulation-tool/id1462668018/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/hoffman-anesthesia/id6764451090/reviews) |
| Number of ratings | **7** | 3 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | **Free** | Subscription |
| Size | 6 MB | 292 MB |
| Requires iOS | **8.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [University of Maryland Baltimore Foundation, Inc.](https://appshunter.io/developer/700757374) | [Hoffman Anesthesia Solutions, LLC](https://appshunter.io/developer/1894088127) |

## 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


### Hoffman Anesthesia

[App page](https://appshunter.io/ios/app/hoffman-anesthesia/id6764451090)

This clinical reference app provides anesthesia professionals and students with precision tools and educational resources. It features advanced calculators for pediatric dosing and local anesthetics, an AI-powered question answering tool, and a community forum for clinical discussion.

**Highlights:** Pediatric Comprehensive Calculator, Local Anesthetic Calculator, Coagulation Cascade Simulator, AI-powered clinical question answering, Fellowship-level anesthesia education guides, Clinician community forum

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sciatic Nerve Block | $0.99 | one-time |
| Ilioinguinal & Iliohypogastric Blk | $0.99 | one-time |
| Intercostal Nerve Block | $0.99 | one-time |
| Paravertebral Block | $0.99 | one-time |
| Rectus Sheath Block | $0.99 | one-time |
| Transverse Abdominus Plane Block | $0.99 | one-time |
| Adductor Canal Block | $0.99 | one-time |
| Cardiac Anesthesia | $1.99 | one-time |
| Surgical Services Premium Pack | $5.99 | one-time |
| Regional Anesthesia Bundle | $24.99 | one-time |


## Frequently asked questions

### Is ATRIUM Anticoagulation Tool free?

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

### Is Hoffman Anesthesia free?

Hoffman Anesthesia is free to download, with in-app purchases available.

### Which has better reviews, ATRIUM Anticoagulation Tool or Hoffman Anesthesia?

ATRIUM Anticoagulation Tool and Hoffman Anesthesia are both rated 5.0 out of 5 on the App Store, from 7 and 3 ratings respectively.

### Do ATRIUM Anticoagulation Tool or Hoffman Anesthesia have ads?

Neither ATRIUM Anticoagulation Tool nor Hoffman Anesthesia shows ads.

### Which is updated more often, ATRIUM Anticoagulation Tool or Hoffman Anesthesia?

ATRIUM Anticoagulation Tool ships an update every 3 months, and Hoffman Anesthesia every 3 days. Most recently, ATRIUM Anticoagulation Tool was updated on October 21, 2026 and Hoffman Anesthesia on October 23, 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.*