# Medaxion vs Master Anesthesia

The clearest difference is review sentiment: Master Anesthesia at 78% against Medaxion's 8%. Master Anesthesia also leads on rating (4.9 vs 2.3) and update cadence (weekly vs every 2 months). Medaxion's advantage is in-app purchases (none vs 7). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Master Anesthesia sells 7 in-app purchases, starting at $69.99 per year. Medaxion asks for nothing beyond the download.

Master Anesthesia holds the better App Store score, 4.9 against 2.3. That said, the two scores are not equally well evidenced: Master Anesthesia has 2K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 8% of Medaxion's written reviews are positive against 78% of Master Anesthesia's.

Medaxion ships an update every 2 months, Master Anesthesia weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Medaxion | Master Anesthesia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (9 ratings)](https://appshunter.io/ios/app/medaxion/id362352674/reviews) | **[4.9 (2K ratings)](https://appshunter.io/ios/app/master-anesthesia/id1550793078/reviews)** |
| Number of ratings | 9 | **2K** |
| Positive reviews | 8.3% of reviews | **78.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Subscription |
| Best chart rank | — | **#186** |
| Size | 64 MB | 69 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Medaxion, Inc.](https://appshunter.io/developer/362352677) | [Matthew Willis](https://appshunter.io/developer/1550793080) |

## What reviewers say

### Medaxion

[App page](https://appshunter.io/ios/app/medaxion/id362352674)

This app provides anesthesia practices with real-time intelligence for point-of-care charge capture, status broadcasts, and practice oversight. It integrates with billing systems for seamless operations. Access is restricted to existing customers and authorized individuals.

**Highlights:** Point-of-care charge capture, Broadcast status updates, Practice activity oversight, Billing system integration, Real-time intelligence

**In-app purchases:** none


### Master Anesthesia

[App page](https://appshunter.io/ios/app/master-anesthesia/id1550793078)

**Currently charting:** #186 Top Grossing · Medical (US App Store)

This app provides anesthesia professionals with quick answers to common questions. It highlights anesthetic implications of diseases, surgical cases, and drugs, and includes a searchable acronym list and a comprehensive calculator for dosages, blood loss, and fluid management.

**Highlights:** Disease anesthetic implications, Surgical case anesthetic implications, Drug anesthetic implications, Searchable acronym list, Local anesthetic dosage calculator, Blood volume and loss calculator, Fluid and equipment calculations

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Master Anesthesia Contributor | $69.99 | per year |
| Full Access CE | $449.00 | per year |
| Module Unlock | $24.99 | one-time |
| Course Unlock | $99.00 | one-time |
| Master Anesthesia One Time | $99.99 | one-time |
| One-Time | $149.99 | one-time |
| Course Unlock | $449.00 | one-time |

**What reviewers like**

- 👍 Intuitive and user-friendly interface
- 🚀 Efficient and fast calculators
- 📚 Comprehensive information and resources
- 💡 Helpful for clinical practice and preparation
- 🔍 Useful reference for anesthesia providers

**What reviewers complain about**

- 🐛 Frequent crashes and freezes in the calculations section
- 🔒 Issues with purchase verification and login
- 💰 Concerns about the transition to a paid subscription model
- 🔋 High battery consumption and performance issues on older devices

**Reported bugs**

- Incorrect terminology and credentials on the starting screen
- Inconsistent behavior when accessing content after subscription changes

**Requested features**

- Offline access to content
- Apple Watch integration for the calculator
- More detailed and up-to-date information on procedures and conditions


## Frequently asked questions

### Is Medaxion free?

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

### Is Master Anesthesia free?

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

### Which has better reviews, Medaxion or Master Anesthesia?

Master Anesthesia is rated higher. Medaxion averages 2.3 out of 5 from 9 ratings, while Master Anesthesia averages 4.9 from 2K ratings.

### Do Medaxion or Master Anesthesia have ads?

Neither Medaxion nor Master Anesthesia shows ads.

### Which is updated more often, Medaxion or Master Anesthesia?

Medaxion ships an update every 2 months, and Master Anesthesia weekly. Most recently, Medaxion was updated on October 23, 2026 and Master Anesthesia on October 24, 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.*