# Preop360 vs Hoffman Anesthesia

The clearest difference is monetization model: Preop360 at free with in-app purchases against Hoffman Anesthesia's subscription. Preop360 also leads on iOS requirement (15.1 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. Preop360 sells 1 in-app purchase, starting at $4.99 per month and Hoffman Anesthesia sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Preop360 against 5.0 for Hoffman Anesthesia. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Preop360 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 | Preop360 | Hoffman Anesthesia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/preop360/id6746079405/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/hoffman-anesthesia/id6764451090/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 40 MB | 292 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [CARE DECISIONS LLC](https://appshunter.io/developer/1734179704) | [Hoffman Anesthesia Solutions, LLC](https://appshunter.io/developer/1894088127) |

## What reviewers say

### Preop360

[App page](https://appshunter.io/ios/app/preop360/id6746079405)

This app provides evidence-based support for clinicians evaluating adult patients for noncardiac surgery. It incorporates patient comorbidities and medications with interactive calculators to assess perioperative risk. Direct links to references and explanations aid in decision-making and learning.

**Highlights:** Evidence-based preoperative assessment, Interactive risk calculators (RCRI, DASI), Incorporates comorbidities and medications, Links to key references and explanations, Streamlines patient preparation, Standardizes assessments

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $4.99 | per month |


### 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 Preop360 free?

Preop360 is free to download, with in-app purchases available.

### Is Hoffman Anesthesia free?

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

### Which has better reviews, Preop360 or Hoffman Anesthesia?

Preop360 and Hoffman Anesthesia are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Preop360 or Hoffman Anesthesia have ads?

Neither Preop360 nor Hoffman Anesthesia shows ads.

### Which is updated more often, Preop360 or Hoffman Anesthesia?

Preop360 ships an update every 3 months, and Hoffman Anesthesia every 3 days. Most recently, Preop360 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.*