Comparison

Vargo Anesthesia Mega App vs Periop Pacemaker

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

Periop Pacemaker

This app provides medical professionals with a decision algorithm for managing surgical patients with implantable defibrillators or pacemakers. It is based on guidelines endorsed by the Heart Rhythm Society and updated annually by an expert committee.

Highlights
  • Decision algorithm for pacemaker/defibrillator management
  • Endorsed by Heart Rhythm Society
  • Based on ASA Perioperative Cardiac Implantable Electronic Device Management Aid
  • Annual expert committee updates
  • Designed for medical professionals
Features
Read full description

Periop Pacemaker is a smartphone app that assists medical professionals who take care of surgical patients that have implantable defibrillators or pacemakers. The decision algorithm is endorsed by the Heart Rhythm Society and is based on the American Society of Anesthesiologists Perioperative Cardiac Implantable Electronic Device Management Aid. As device technology evolves, an expert committee of anesthesiologists, cardiologists, and device representatives will meet annually to keep information up-to-date. Disclaimer: ASA Pacemaker is designed for use by medical professionals only. Accessing the app content requires either a one-time payment of $7.99 USD or an annual subscription payment of $2.99 USD. A 30-day free trial is available under the annual subscription plan.

Screenshots

Vargo Anesthesia Mega App4 screens
Periop Pacemaker4 screens

Verdict

The call

The clearest difference is price: Periop Pacemaker at Free against Vargo Anesthesia Mega App's $99.99. Periop Pacemaker also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 85%). Vargo Anesthesia Mega App's advantage is in-app purchases (none vs 2) and update cadence (every 2 weeks vs every 2 months). On 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

Periop Pacemaker is free to download; Vargo Anesthesia Mega App costs $99.99 up front. Periop Pacemaker sells 2 in-app purchases, starting at $2.99 per year. Vargo Anesthesia Mega App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Periop Pacemaker holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Vargo Anesthesia Mega App has 177 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 85% of Vargo Anesthesia Mega App's written reviews are positive against 100% of Periop Pacemaker's.

UpkeepUpdate frequency

Vargo Anesthesia Mega App ships an update every 2 weeks, Periop Pacemaker every 2 months. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

Scorecard9 real differences · 2 level
Vargo Anesthesia Mega App versus Periop Pacemaker: the parameters behind the verdict, then further details
ParameterVargo Anesthesia Mega AppPeriop Pacemaker
Price$99.99Free — better
Rating4.7 (177 ratings)5.0 (8 ratings) — better
Positive reviews84.8% of reviews100.0% of reviews — better
Number of ratings177 — better8
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#10 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size353 MB43 MB
Age rating+1717+
DeveloperVargo Anesthesia IncRhythm Management, LLC

Customer experience

Vargo Anesthesia Mega App

All ratings177 ratings
Positive91.5%
Neutral5.1%
Negative3.4%
Written reviews66 reviews
Positive84.8%
Neutral12.1%
Negative3.0%

Periop Pacemaker

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Vargo Anesthesia Mega App

No in-app purchases

2 purchases

Periop Pacemaker

Subscriptions1
  • PERIOP PACEMAKER ANNUAL FEE1 Month trial$2.991 Year
One-time1
  • Periop Pacemaker$7.99

Questions

Is Vargo Anesthesia Mega App free?
Vargo Anesthesia Mega App costs $99.99, with no in-app purchases.
Is Periop Pacemaker free?
Periop Pacemaker is free to download, with in-app purchases available.
Which has better reviews, Vargo Anesthesia Mega App or Periop Pacemaker?
Periop Pacemaker is rated higher. Vargo Anesthesia Mega App averages 4.7 out of 5 from 177 ratings, while Periop Pacemaker averages 5.0 from 8 ratings.
Do Vargo Anesthesia Mega App or Periop Pacemaker have ads?
Neither Vargo Anesthesia Mega App nor Periop Pacemaker shows ads.
Which is updated more often, Vargo Anesthesia Mega App or Periop Pacemaker?
Vargo Anesthesia Mega App ships an update every 2 weeks, and Periop Pacemaker every 2 months. Most recently, Vargo Anesthesia Mega App was updated on September 23, 2026 and Periop Pacemaker on September 9, 2026.

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