Comparison

ABA Go 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

ABA Go

This app consolidates physician portal functions for anesthesiologists, offering exam registration, results viewing, and progress monitoring for board certification. It also provides access to continuing education and medical license management.

Highlights
  • Exam registration and results
  • Certification progress monitoring
  • MOCA Minute question answering
  • Medical license management
  • CME Explorer access
  • Certificate status letter download
Features
Read full description

The ABA Go app brings MOCA Minute® and the full functionality of the ABA physician’s portal together in one, easy-to-use place. ABA Go is part of the seamless technology that powers anesthesiologists’ journey from residency to retirement, and provides all users with a real-time snapshot of their board certification or continuing certification status. In the app, users can: • Register for exams and see their results • Monitor their continuing certification progress and requirements via the dashboard • Answer MOCA Minute questions • Manage their medical licenses and access state-specific requirements • Access lifelong learning opportunities via the new CME Explorer and personalized Knowledge Assessment Report • Download a certificate status letter

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

ABA Go3 screens
Master Anesthesia4 screens

Verdict

The call

The clearest difference is review sentiment: Master Anesthesia at 79% against ABA Go's 14%. Master Anesthesia also leads on rating (4.9 vs 2.2) and update cadence (every 6 days vs monthly). ABA Go's advantage is in-app purchases (none vs 7). On price, ads and device support 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. Master Anesthesia sells 7 in-app purchases, starting at $69.99 per year. ABA Go asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Master Anesthesia holds the better App Store score, 4.9 against 2.2. That said, the two scores are not equally well evidenced: Master Anesthesia has 2K ratings behind it against 58, so its average is the more settled of the two. Written reviews point the same way: 14% of ABA Go's written reviews are positive against 79% of Master Anesthesia's.

UpkeepUpdate frequency

ABA Go ships an update monthly, Master Anesthesia every 6 days. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

Scorecard8 real differences · 3 level
ABA Go versus Master Anesthesia: the parameters behind the verdict, then further details
ParameterABA GoMaster Anesthesia
PriceFreeFree
Rating2.2 (58 ratings)4.9 (2K ratings) — better
Positive reviews13.6% of reviews79.1% of reviews — better
Number of ratings582K — better
Update frequencyMonthlyEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases — betterSubscription
Best chart rank—#189 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size40 MB69 MB
Age rating17+12+
DeveloperAmerican Board of AnesthesiologyMatthew Willis

Customer experience

ABA Go

All ratings58 ratings
Positive27.6%
Neutral3.4%
Negative69.0%
Written reviews22 reviews
Positive13.6%
Neutral4.5%
Negative81.8%

Master Anesthesia

All ratings1,985 ratings
Positive97.8%
Neutral0.7%
Negative1.5%
Written reviews91 reviews
Positive79.1%
Neutral4.4%
Negative16.5%

Bugs and requests

ABA Go

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

None

ABA Go

No in-app purchases

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 ABA Go free?
ABA Go 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, ABA Go or Master Anesthesia?
Master Anesthesia is rated higher. ABA Go averages 2.2 out of 5 from 58 ratings, while Master Anesthesia averages 4.9 from 2K ratings.
Do ABA Go or Master Anesthesia have ads?
Neither ABA Go nor Master Anesthesia shows ads.
Which is updated more often, ABA Go or Master Anesthesia?
ABA Go ships an update monthly, and Master Anesthesia every 6 days. Most recently, ABA Go was updated on September 26, 2026 and Master Anesthesia on September 25, 2026.

Other comparisons