---
title: "Master Anesthesia - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Master Anesthesia helps anesthesia professionals find answers quickly to common questions. The primary purpose is to provide clinicians with the highlighted anesthetic implications of specific disease"
---

# Master Anesthesia — United States

![Master Anesthesia App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/0f/19/aa/0f19aac4-9db1-3261-4747-961a73f9fc9e/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Matthew Willis](https://apptail.io/developer/matthew-willis-RjX)
**Category:** Medical
**Rating:** 4.9/5 (2,000 ratings)
**Price:** Free
**Bundle ID:** com.masteranesthesia
**Store:** Apple App Store
**Country:** United States
**Version:** 3.1.8 (released 2026-10-26)
**Original Release:** 2021-01-28
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1550793078)
**AppTail Page:** [https://apptail.io/app/master-anesthesia-aeT/united-states](https://apptail.io/app/master-anesthesia-aeT/united-states)

## Master Anesthesia Description
Master Anesthesia helps anesthesia professionals find answers quickly to common questions. The primary purpose is to provide clinicians with the highlighted anesthetic implications of specific diseases, surgical cases, and drugs. In addition, a searchable list of over 1,000 acronyms is provided. A calculator has also been created to assist with maximum local anesthetic dosage, estimated blood volume, maximum allowable blood loss, fluid calculations, equipment, vitals, and more.

Subscription and Purchase Options:

Clinical Access Pro: $69.99/year – Full access to all clinical tools and updates. Auto-renews yearly.
Full Access CE: $449.99/year – Full access to Clinical Access Pro + everything CRNAs need for their 4-year cycle.  More than 150 pre-approved Class A (Mac-Ed) credits, and over 100 courses to choose from.

Payment & Renewal:
Payment will be charged to your Apple ID account at the time of confirmation.
Annual subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period.
You can manage or cancel your subscription anytime in your Apple ID account settings.
For more details on managing subscriptions, visit: 

Website: 
Terms of Use: 
Privacy Policy: 

## Master Anesthesia Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c5/bf/05/c5bf0519-7146-cc29-420e-614daaad77fa/SS1.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/eb/f5/b0/ebf5b0a8-8cfc-5959-fa6e-3a763e8f700a/SS2.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/57/bb/ae/57bbaebd-eef8-350d-c0f3-3e92d8d78b36/SS3.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d0/12/bf/d012bf10-fa47-6572-697b-e16692f120c6/SS4_6.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ad/21/83/ad2183fb-1c49-b3fb-bbbf-f4e3353e2dfd/SS5.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f8/3d/f1/f83df16b-5980-d0cd-e87d-ede50bf9a3f6/SS6.png/1242x2688.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/1a/bc/19/1abc1913-0128-a4dc-04b1-74d7f113bbb6/SS7.png/1242x2688.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/06/7a/32/067a32c1-b9e8-18c1-5a10-7d3d73e2268c/SS8.png/1242x2688.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/59/8e/86/598e86e7-db45-5466-45ad-d4ec799d39cb/SS10.png/1242x2688.png)

## Master Anesthesia Rating Breakdown in United States
- 5 stars: 1,913 (96%)
- 4 stars: 42 (2%)
- 3 stars: 14 (1%)
- 2 stars: 6 (0%)
- 1 stars: 25 (1%)

## Master Anesthesia Reviews in United States

### ***** "Better mobile use than apex but needs improvement."
Leaving the below for context for an original 3 star review. The MA team responded to my concerns and updated their app within less than two weeks of posting. Can’t beat that for responsiveness.

Original review:

Finding MA to be much more user friendly and experience on mobile than APEX for continuing ed, and it has elements that vastly improve on what Vargo/CoExistinf offers. However, the app is in desperate need of a few improvements: 

1) Most importantly, a way to change font size.

2) A per-lesson way to leave feedback or suggest corrections. For $450, it bums me out to see major typos and sentences that just drop off in the middle of a thought. You have a lot of content, and proofreading is hard, but there’s no simple way for users to help you correct mistakes, and this devalues your product.
-- CRNA Jay, 2026-10-13

### ***** "My go to"
Amazing resource. Constantly updated with current evidence. And gives little snippets of evidence based practice updates in email.
-- polkadotlvr28, 2026-09-12

### ***** "Exceptional"
By far the best companion app for anyone in the anaesthesia field.
-- thepharell, 2026-08-02

### ***** "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?, 2026-07-31

### ***** "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
-- AnesthesiaAle, 2026-03-25

### ***** "RRNA"
Great tool! Easy to use! Currently using for insight to foreign procedures, developing anesthetic plan, dosing, and weights. Highly recommend.
-- Bg3253, 2026-02-02

### ***** "AAA app"
A must have application in your anesthesia library. I love the clean interface of the calculators.
-- RentableHeroe, 2025-08-27

### ***** "Calculator"
Why has the calculator not been working? The app has been shutting down every time I try to access it on both phone and iPad. It’s also not available on the website.
-- Aehonz, 2025-08-25

### ***-- "Crashing"
It was great until recently. App crashes in the calculations section.
-- Arasita, 2025-08-20

### *---- "Crash city"
I can’t even use the calculator it just crashes every time. 2 updates later and ITS STILL A PROBLEM. Come on guys get it together
-- doesnt work EVER, 2025-08-12

[View all Master Anesthesia reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)

## Master Anesthesia In-App Purchases
| Item | Price |
|------|-------|
| Master Anesthesia Contributor | $49.99 |
| One-Time | $149.99 |
| Master Anesthesia One Time | $99.99 |
| Full Access CE | $449.00 |
| Module Unlock | $24.99 |
| Course Unlock | $449.00 |


## Master Anesthesia Discovered Keywords
- pediatric anesthesia
- anesthesiology
- anesthesia
- nysora nerve blocks
- anesthesia calc
- anestesia
- anesthesiology pocketcards
- anesthesia drips
- master anesthesia
- apex anesthesia

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## Master Anesthesia Available In
- [United States](https://apptail.io/app/master-anesthesia-aeT/united-states)
- [Canada](https://apptail.io/app/master-anesthesia-aeT/canada)
- [United Kingdom](https://apptail.io/app/master-anesthesia-aeT/united-kingdom)
- [Australia](https://apptail.io/app/master-anesthesia-aeT/australia)
- [Ireland](https://apptail.io/app/master-anesthesia-aeT/ireland)
- [India](https://apptail.io/app/master-anesthesia-aeT/india)
- [South Africa](https://apptail.io/app/master-anesthesia-aeT/south-africa)

---

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