Vargo Anesthesia Mega App vs Master Anesthesia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vargo Anesthesia Mega App
This comprehensive medical app consolidates 16 specialized tools for anesthesia professionals. It provides quick access to information on patient care in various settings, including obstetrics, pediatrics, trauma, and critical care. Features include drug information, crisis management algorithms, case tips, and calculations.
- Obstetric, pediatric, trauma, surgical, critical care, emergency, and anesthesia settings
- Malignant Hyperthermia information
- Medical calculations (ABL/EBV, BMI, MAP, etc.)
- Anesthesia crisis management algorithms
- Extensive anesthesia case tips with search
- Pharmacology information for over 200 drugs/drips
- Pediatric and OB regional anesthesia guides
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The Vargo Anesthesia Mega App is a comprehensive, clinician-built platform designed to support anesthesia providers in both preoperative preparation and real-time clinical decision-making. Developed and refined over more than 15 years, the app integrates essential anesthesia, critical care, and perioperative content into one unified system. Built for efficiency and clarity, the Mega App allows providers to quickly access high-value clinical information—whether preparing for a case, reviewing complex physiology, or managing time-sensitive situations in the operating room. The Vargo Anesthesia Mega App brings together a wide range of core anesthesia resources, including: Weight-Based Medication Dosing and Equipment Tables Adult and pediatric dosing and equipment references designed for accuracy across a wide range of patient sizes Cheat Sheets High-yield summaries for rapid review of key anesthesia and critical care concepts Pediatrics Focused pediatric anesthesia guidance and considerations Case Tips Extensive, case-based insights across a broad range of surgical procedures Regional Nerve Blocks & OB Regional Practical guidance for regional anesthesia techniques, including obstetric applications Drugs and Drips Detailed pharmacology with dosing, mechanisms, and clinical application Coagulopathies & Blood Management (TEG/ROTEM) Focused content for complex perioperative and critical care scenarios CABG (Coronary Artery Bypass Grafting) Step-by-step guidance from setup through separation from bypass Calculations & Clinical Tools Essential calculations including tidal volume, weight-based dosing, and more Max Local Anesthetic Calculator Quick reference for safe dosing limits Crisis Management Immediate access to critical event management, including: Local Anesthetic Toxicity (LA Max) Malignant Hyperthermia (MH) Blood / TEGs / ROTEM Other high-risk intraoperative events The app is structured for rapid navigation and real-time usability: Clear, organized layout for quick access Concise presentation of complex topics Built to support decision-making under pressure - All future updates and additions are included with a one-time purchase. There are no subscriptions or recurring fees. - Designed for every level of the anesthesia care team. ***iCloud must be switched on to save personal notes.*** This application is intended for educational and clinical reference purposes only. It is designed to support—not replace—the independent judgment of qualified healthcare professionals. It does not diagnose, treat, or provide patient-specific medical advice. All information must be verified based on the individual patient and clinical context.
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 price: Master Anesthesia at Free against Vargo Anesthesia Mega App's $99.99. Master Anesthesia also leads on rating (4.9 vs 4.7) and ratings volume (2K vs 177). Vargo Anesthesia Mega App's advantage is in-app purchases (none vs 7) and chart position (#13 vs #99). On review sentiment, ads, device support and iOS requirement 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
Master Anesthesia is free to download; Vargo Anesthesia Mega App costs $99.99 up front. Master Anesthesia sells 7 in-app purchases, starting at $69.99 per year. Vargo Anesthesia Mega App asks for nothing beyond the download.
Master Anesthesia holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Master Anesthesia has 2K ratings behind it against 177, so its average is the more settled of the two. Written reviews complicate that: 85% of Vargo Anesthesia Mega App's written reviews are positive against 79% of Master Anesthesia's, so the app with the better star average is not the one people write more warmly about.
Vargo Anesthesia Mega App ships an update every 2 weeks, Master Anesthesia every 6 days. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Vargo Anesthesia Mega App | Master Anesthesia |
|---|---|---|
| Price | $99.99 | Free — better |
| Rating | 4.7 (177 ratings) | 4.9 (2K ratings) — better |
| Positive reviews | 84.8% of reviews — better | 79.1% of reviews |
| Number of ratings | 177 | 2K — better |
| Update frequency | Every 2 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid — better | Subscription |
| Best chart rank | #13 — better | #99 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 353 MB | 69 MB |
| Age rating | +17 | 12+ |
| Developer | Vargo Anesthesia Inc | Matthew Willis |
Customer experience
Vargo Anesthesia Mega App
Master Anesthesia
Bugs and requests
Vargo Anesthesia Mega App
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
Vargo Anesthesia Mega App
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 Vargo Anesthesia Mega App free?
Is Master Anesthesia free?
Which has better reviews, Vargo Anesthesia Mega App or Master Anesthesia?
Do Vargo Anesthesia Mega App or Master Anesthesia have ads?
Which is updated more often, Vargo Anesthesia Mega App or Master Anesthesia?
Which is more popular, Vargo Anesthesia Mega App or Master Anesthesia?
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