# Preop Eval vs CMADocs

The clearest difference is ads: Preop Eval at none against CMADocs's shown. Preop Eval also leads on monetization model (free vs ad-supported). CMADocs's advantage is review sentiment (100% vs 67%) and device support (3 vs 1). On price, rating, ratings volume and update cadence 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 Preop Eval against 5.0 for CMADocs. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews are what separate them: 67% of Preop Eval's written reviews are positive against 100% of CMADocs's.

Preop Eval ships an update every 6 months, CMADocs every 3 months. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Preop Eval | CMADocs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/preop-eval/id374154834/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/cmadocs/id6467869463/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 15 MB | 51 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [United Health Services, Inc.](https://appshunter.io/developer/1451318916) | [California Medical Association](https://appshunter.io/developer/1437779798) |

## 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


### CMADocs

[App page](https://appshunter.io/ios/app/cmadocs/id6467869463)

Connect with physicians and stay updated on the latest news and action alerts from the California Medical Association. This app provides member communications and essential information for healthcare professionals.

**Highlights:** Latest news updates, Action alerts, Member communications, Physician networking, CMA information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Preop Eval free?

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

### Is CMADocs free?

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

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

Preop Eval and CMADocs are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Preop Eval or CMADocs have ads?

CMADocs shows ads; Preop Eval does not.

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

Preop Eval ships an update every 6 months, and CMADocs every 3 months. Most recently, Preop Eval was updated on September 30, 2026 and CMADocs on October 3, 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.*