Comparison

Anesthesia Central vs Master Anesthesia

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Anesthesia Central

This app provides anesthesiologists and critical care specialists with essential information for patient care before, during, and after surgery. It includes disease, drug, test, and procedure details, along with access to the PubMed database for journal articles.

Highlights
  • Disease, drug, test, and procedure information
  • Access to PubMed database
  • MGH Clinical Anesthesia Procedures
  • Davis's Drug Guide
  • Pocket ICU Management
  • Pocket Guide to Diagnostic Tests
  • Integrated calculators
Features
Read full description

** The All-In-One Mobile and Web Solution for Anesthesiology ** ABOUT ANESTHESIA CENTRAL Anesthesia Central is a must-have resource for every anesthesiologist, critical care specialist, nurse anesthetist, and trainee. Consult the automatically updating collection of disease, drug, test, and procedure information for treating patients before, during, and after surgery. Download to your mobile device and use the quick-read format to find answers fast or search for journal articles and citations in the full PubMed database – anytime, anywhere. Five comprehensive resources included with Anesthesia Central. MGH CLINICAL ANESTHESIA PROCEDURES Includes proven guidelines for preoperative, intraoperative, and postoperative anesthesia care, developed by the renowned Massachusetts General Hospital. DAVIS’S DRUG GUIDE Refer to need-to-know information on dosing, contraindications, drug interactions, and patient education for more than 5,000 medications. POCKET ICU MANAGEMENT Focuses on conditions found in the Intensive Care Unit (ICU) and covers a range of topics from life-threatening disorders to presenting conditions. POCKET GUIDE TO DIAGNOSTIC TESTS Pocket Guide to Diagnostics Tests provides evidence-based recommendations on the selection and interpretation of over 450 laboratory, imaging, and microbiology tests. Prime PubMed Search Connect to the full MEDLINE/PubMed database. Stay up to date with your favorite medical journals, perform powerful searches, link directly to the publisher’s full text, and share articles via email or social media. Visually explore the literature using Grapherence®, a unique way to find related and relevant articles. FEATURES • Receive 1-year of drug updates • Download any new editions of included resources free for 1-year • Make quick calculations with integrated calculators • Create custom notes and highlights within entries • Consult trusted, up-to-date procedure, drug, and test information • Jump quickly between resources using Cross Links • Access to PubMed database through Prime • Use the advanced search capabilities to find topics fast • Bookmark important entries with “Favorites” • Get access to Anesthesia Central website for 1-year DRUG AND CONTENT UPDATES • After initial Anesthesia Central purchase you will receive updates for one year • After one year, you can purchase updates for an additional year, at the discounted rate of $99.99. If you do not choose to purchase, you can continue to use the product but will not receive updates. • This app will automatically renew annually at the current renewal rate ($99.99) and charged to your iTunes account at confirmation of purchase, unless auto-renew is turned off 24 hours prior to the conclusion of the one-year subscription period. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Clinical Anesthesia Procedures of the Massachusetts General Hospital: Senior Editor: Wilton C. Levine, MD Associate Editors: Rae M. Allain, MD; Theodore A. Alston, MD, PhD; Peter F. Dunn, MD; Jean Kwo, MD; Carl E. Rosow, MD, PhD Publisher: Lippincott Willams & Wilkins Pocket ICU Management: Authors: Michael H. Wall, MD, FCCM; Pamela R. Roberts, MD, FCCM; J. Christopher Farmer, MD, FCCM Publisher: PocketMedicine.com Davis's Drug Guide: Authors: April Hazard Vallerand, PhD, RN, FAAN; Cynthia A. Sanoski, BS, PharmD, FCCP, BCPS Publisher: F.A. Davis Pocket Guide to Diagnostic Tests: Editors: Diana Nicoll, MD, PhD, MPA; Chuanyi Mark Lu, MD; Michael Pignone, MD, MPH; Stephen J. McPhee, MD Publisher: McGraw-Hill Medical Unbound Privacy Policy: www.unboundmedicine.com/privacy Unbound Terms of Use: https://www.unboundmedicine.com/end_user_license_agreement

About

Master Anesthesia

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
Currently charting
Read full 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: https://support.apple.com/en-us/118428 Website: https://masteranesthesia.com Terms of Use: https://masteranesthesia.com/terms-of-service Privacy Policy: https://masteranesthesia.com/privacy-policy-and-disclaimer

Screenshots

Anesthesia Central4 screens
Master Anesthesia4 screens

Verdict

The call

The clearest difference is monetization model: Anesthesia Central at free with in-app purchases against Master Anesthesia's subscription. Master Anesthesia's advantage is update cadence (weekly vs every 9 months) and rating (4.9 vs 4.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Anesthesia Central sells 2 in-app purchases, starting at $99.99 per year and Master Anesthesia sells 7 in-app purchases, starting at $69.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Master Anesthesia holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Master Anesthesia has 2K ratings behind it against 104, so its average is the more settled of the two. Written reviews point the same way: 74% of Anesthesia Central's written reviews are positive against 78% of Master Anesthesia's.

UpkeepUpdate frequency

Anesthesia Central ships an update every 9 months, Master Anesthesia weekly. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 6 level
Anesthesia Central versus Master Anesthesia: the parameters behind the verdict, then further details
ParameterAnesthesia CentralMaster Anesthesia
PriceFreeFree
Rating4.6 (104 ratings)4.9 (2K ratings) — better
Positive reviews74.4% of reviews78.3% of reviews — better
Number of ratings1042K — better
Update frequencyEvery 9 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
Best chart rank—#197 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size9 MB69 MB
Age rating17+12+
DeveloperUnbound Medicine, Inc.Matthew Willis

Customer experience

Anesthesia Central

All ratings104 ratings
Positive88.5%
Neutral4.8%
Negative6.7%
Written reviews43 reviews
Positive74.4%
Neutral7.0%
Negative18.6%

Master Anesthesia

All ratings1,992 ratings
Positive97.7%
Neutral0.8%
Negative1.5%
Written reviews92 reviews
Positive78.3%
Neutral5.4%
Negative16.3%

Bugs and requests

Anesthesia Central

Not enough reviews yet to summarise bugs or requests.

Master Anesthesia

Reported bugs

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

Requested features

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

In-app purchases

2 purchases

Anesthesia Central

Subscriptions1
  • Anesthesia Central Renewal$99.991 Year
One-time1
  • Anesthesia Central$169.99
7 purchases

Master Anesthesia

Subscriptions2
  • Master Anesthesia Contributor7 Days trial$69.991 Year
  • Full Access CE7 Days trial$449.001 Year
One-time5
  • Module Unlock$24.99
  • Course Unlock$99.00
  • Master Anesthesia One Time$99.99
Show 2 more
  • One-Time$149.99
  • Course Unlock$449.00

Questions

Is Anesthesia Central free?
Anesthesia Central is free to download, with in-app purchases available.
Is Master Anesthesia free?
Master Anesthesia is free to download, with in-app purchases available.
Which has better reviews, Anesthesia Central or Master Anesthesia?
Master Anesthesia is rated higher. Anesthesia Central averages 4.6 out of 5 from 104 ratings, while Master Anesthesia averages 4.9 from 2K ratings.
Do Anesthesia Central or Master Anesthesia have ads?
Neither Anesthesia Central nor Master Anesthesia shows ads.
Which is updated more often, Anesthesia Central or Master Anesthesia?
Anesthesia Central ships an update every 9 months, and Master Anesthesia weekly. Most recently, Anesthesia Central was updated on October 11, 2026 and Master Anesthesia on October 13, 2026.

Other comparisons