# Hoffman Anesthesia vs GasClass

The clearest difference is in-app purchases: GasClass at none against Hoffman Anesthesia's 10. GasClass also leads on update cadence (daily vs every 3 days). Hoffman Anesthesia's advantage is ratings volume (3 vs 1). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Hoffman Anesthesia against 5.0 for GasClass. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Hoffman Anesthesia ships an update every 3 days, GasClass daily. The most recent releases landed on October 31, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Hoffman Anesthesia | GasClass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/hoffman-anesthesia/id6764451090/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gasclass/id6776366614/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Monetization | Subscription | **Free** |
| Size | 292 MB | 8 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hoffman Anesthesia Solutions, LLC](https://appshunter.io/developer/1894088127) | [James Germi](https://appshunter.io/developer/6776366616) |

## What reviewers say

### 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 |


### GasClass

[App page](https://appshunter.io/ios/app/gasclass/id6776366614)

This app offers audio-first lectures and a question bank for anesthesiology board review. It covers a wide range of topics and includes optional on-screen slides for visual learners. Designed for residents, fellows, and practicing professionals.

**Highlights:** Audio-first lectures, Exam-focused content, Comprehensive topic coverage, Board-style question bank, Synced on-screen slides, Designed for trainees

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

**In-app purchases:** none


## Frequently asked questions

### Is Hoffman Anesthesia free?

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

### Is GasClass free?

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

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

Hoffman Anesthesia and GasClass are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Hoffman Anesthesia or GasClass have ads?

Neither Hoffman Anesthesia nor GasClass shows ads.

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

Hoffman Anesthesia ships an update every 3 days, and GasClass daily. Most recently, Hoffman Anesthesia was updated on October 31, 2026 and GasClass on November 13, 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.*