ABA Go vs Master Anesthesia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Exam registration and results
- Certification progress monitoring
- MOCA Minute question answering
- Medical license management
- CME Explorer access
- Certificate status letter download
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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
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.
- 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
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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
Verdict
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
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.
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.
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.
| Parameter | ABA Go | Master Anesthesia |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (58 ratings) | 4.9 (2K ratings) — better |
| Positive reviews | 13.6% of reviews | 79.1% of reviews — better |
| Number of ratings | 58 | 2K — better |
| Update frequency | Monthly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Best chart rank | — | #189 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 40 MB | 69 MB |
| Age rating | 17+ | 12+ |
| Developer | American Board of Anesthesiology | Matthew Willis |
Customer experience
ABA Go
Master Anesthesia
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
ABA Go
No in-app purchases
Master Anesthesia
- Master Anesthesia Contributor7 Days trial$69.991 Year
- Full Access CE7 Days trial$449.001 Year
- Module Unlock$24.99
- Course Unlock$99.00
- Master Anesthesia One Time$99.99
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- One-Time$149.99
- Course Unlock$449.00
Questions
Is ABA Go free?
Is Master Anesthesia free?
Which has better reviews, ABA Go or Master Anesthesia?
Do ABA Go or Master Anesthesia have ads?
Which is updated more often, ABA Go or Master Anesthesia?
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