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Master Anesthesia

Master Anesthesia

by Matthew Willis

2K ratings
90 reviews
#175 in top-grossing Medical
🏥 Medical
Free
In-App Purchases

Details

  • Released
  • Updated
  • January 28, 2021
  • August 19, 2026

Features

Developer

Matthew Willis
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iphone
ipad
🧾$24.99 - $449.00
In-App Purchase↘︎
📉no. 175
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⭐90
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🔄6+ apps
Alternatives↘︎
❓5 answered
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📦~ in 1 week
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About

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.

✓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
Show original description

What users say

Summarized from real user reviews of Master Anesthesia. Based on 2K reviews and a 4.9/5 average, it highlights the 5 positives and 4 negatives reviewers mention most about this Medical app.

Positive things

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

Negative things

  • 🐛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
See all reviews

What's New in Master Anesthesia

3.1.3

August 19, 2026

New: PONV Risk (Apfel Score) calculator - tap the risk factors that apply and get an instant 0-4 risk score with tailored antiemetic prophylaxis guidance. Free for all users.

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Subscription plans

Master Anesthesia Contributor

Master Anesthesia Contributor

$69.991 Year
7 Days trial
How to cancel Master Anesthesia subscription ⁉️
5

In-App Purchases

$99.99

Master Anesthesia One Time

Master Anesthesia One Time

Charts

Top Grossing

📉 175-11

Medical

This app dropped -11 positions in Medical chart.

Last updated on August 29, 2026.

User reviews

Most RecentHighest RatedLowest Rated

Exceptional

By far the best companion app for anyone in the anaesthesia field.
thepharellthepharell

Improving all the time

I’ve been using MA for at least 5 or so years. It’s a great app and each update is an amazing improvement. I recommend this app to colleagues all the time. It’s easy to navigate and easy to read especially in the OR. Keep up the great work!
Crash much?Crash much?

The best anesthesia resource

Love this app so much for my anesthesia practice. Easy to use, comprehensive, relevant information that’s actually useful for everyday practice. Worth every penny
AnesthesiaAleAnesthesiaAle

RRNA

Great tool! Easy to use! Currently using for insight to foreign procedures, developing anesthetic plan, dosing, and weights. Highly recommend.
Bg3253Bg3253

AAA app

A must have application in your anesthesia library. I love the clean interface of the calculators.
RentableHeroeRentableHeroe
See 85 more reviews

User experience

🐞

Reported Bugs

2 issues

Incorrect terminology and credentials on the starting screen

Bug

Inconsistent behavior when accessing content after subscription changes

Bug
✨

Requested Features

3 requests

Offline access to content

Feature

Apple Watch integration for the calculator

Feature

More detailed and up-to-date information on procedures and conditions

Feature

FAQ

What does the Master Anesthesia app do?

This app is designed to help anesthesia professionals quickly find answers to common clinical questions. It provides information on the anesthetic implications of various diseases, surgical cases, and drugs. It also includes a comprehensive calculator for managing dosages, fluid balance, and other critical metrics.

What are the key features of Master Anesthesia?

Key features include detailed anesthetic implications for diseases, surgical scenarios, and medications. It also offers a searchable database of over 1,000 acronyms. A robust calculator assists with maximum local anesthetic dosage, estimated blood volume, maximum allowable blood loss, fluid calculations, equipment needs, and vital signs.

How much does Master Anesthesia cost?

The app offers two purchase options: Annual Access for $49.99 per year, which auto-renews, or Lifetime Access for a one-time purchase of $149.99. Both options provide full access to features and updates.

Is Master Anesthesia compatible with my device?

Payment and subscription management are handled through your Apple ID account settings. While specific device compatibility isn't detailed, it is available on the Apple platform. You can manage or cancel your subscription anytime within your Apple ID account settings.

Who would benefit from using Master Anesthesia?

This app is specifically tailored for anesthesia professionals, including anesthesiologists, nurse anesthetists, and residents. It is ideal for those who need rapid access to critical information and calculation tools during patient care or for study.