# Preop Eval vs AnticoagEvaluator

The clearest difference is rating: Preop Eval at 5.0 against AnticoagEvaluator's 2.3. Preop Eval also leads on review sentiment (67% vs 30%). AnticoagEvaluator's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

Preop Eval holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 67% of Preop Eval's written reviews are positive against 30% of AnticoagEvaluator's.

Preop Eval ships an update every 6 months, AnticoagEvaluator every 7 months. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Preop Eval | AnticoagEvaluator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/preop-eval/id374154834/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/anticoagevaluator/id609795286/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | **66.7% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 15 MB | 25 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [United Health Services, Inc.](https://appshunter.io/developer/1451318916) | [American College of Cardiology](https://appshunter.io/developer/502174543) |

## What reviewers say

### Preop Eval

[App page](https://appshunter.io/ios/app/preop-eval/id374154834)

This app provides guidance for evaluating and preparing adult patients for non-cardiac surgery. It includes algorithms and resources on medication management, cardiac event timing, and preoperative testing, serving as both a reference and a teaching tool for medical professionals.

**Highlights:** Cardiac evaluation algorithm, Medication guidance (starting/stopping), Surgery timing after cardiac events, Preoperative testing recommendations, Review for students and residents, Perioperative insulin management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AnticoagEvaluator

[App page](https://appshunter.io/ios/app/anticoagevaluator/id609795286)

This medical app assists healthcare professionals in making informed decisions regarding antithrombotic therapy for patients with non-valvular atrial fibrillation. It calculates patient risk factors, provides guideline-driven therapy recommendations, and helps optimize anticoagulant dosages.

**Highlights:** Calculate renal function and stroke/bleed risk, Review ACC/AHA/HRS guideline therapy, Generate individualized antithrombotic risk, Optimize DOAC dosages, Based on SPARC Tool

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Preop Eval free?

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

### Is AnticoagEvaluator free?

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

### Which has better reviews, Preop Eval or AnticoagEvaluator?

Preop Eval is rated higher. Preop Eval averages 5.0 out of 5 from 2 ratings, while AnticoagEvaluator averages 2.3 from 3 ratings.

### Do Preop Eval or AnticoagEvaluator have ads?

Neither Preop Eval nor AnticoagEvaluator shows ads.

### Which is updated more often, Preop Eval or AnticoagEvaluator?

Preop Eval ships an update every 6 months, and AnticoagEvaluator every 7 months. Most recently, Preop Eval was updated on September 30, 2026 and AnticoagEvaluator on October 12, 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.*