Comparison

Vargo Anesthesia Mega App vs RezClock

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

RezClock

Automates medical resident duty hour tracking using location services to log arrival and departure times at clinical sites. Hours can be uploaded to other systems for generating ACGME required reports. Offers a free trial period before subscription.

Highlights
  • Automated time tracking
  • Location-based geofencing
  • Duty hours reporting
  • Data upload to MedProSuite
  • Free trial period
Features
Read full description

Medical Resident Duty Hours management app. RezClock automates time tracking for medical residents. RezClock uses phone's location services to determine when the resident arrives and leaves the clinical site. A clinical site is defined by creating a geofence around each work site user visits. The hours captured can then be uploaded to MedProSuite.com or another Duty Hours Tracking product to generate ACGME required Duty Hours Reports. Please note: Continued use of GPS running in the background can dramatically decrease battery life. RezClock is available by subscription(first 15 days are free). You may continue by: - Subscribing to RezClock Monthly for $0.99/month - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Terms & Conditions - http://rezclock.com/terms-conditions.html Privacy - http://rezclock.com/privacy.html

Screenshots

Vargo Anesthesia Mega App4 screens
RezClock4 screens

Verdict

The call

The clearest difference is review sentiment: Vargo Anesthesia Mega App at 85% against RezClock's 0%. Vargo Anesthesia Mega App also leads on rating (4.7 vs 2.3) and in-app purchases (none vs 1). RezClock's advantage is price (Free vs $99.99) and iOS requirement (10.0 vs 15.0). 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

RezClock is free to download; Vargo Anesthesia Mega App costs $99.99 up front. RezClock sells 1 in-app purchase, starting at $0.99 per month. Vargo Anesthesia Mega App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Vargo Anesthesia Mega App holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: Vargo Anesthesia Mega App has 177 ratings behind it against 3, 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 0% of RezClock's.

UpkeepUpdate frequency

Vargo Anesthesia Mega App ships an update every 2 weeks, RezClock every 35 months. The most recent releases landed on September 23, 2026 and June 11, 2026 respectively.

Scorecard9 real differences · 2 level
Vargo Anesthesia Mega App versus RezClock: the parameters behind the verdict, then further details
ParameterVargo Anesthesia Mega AppRezClock
Price$99.99Free — better
Rating4.7 (177 ratings) — better2.3 (3 ratings)
Positive reviews84.8% of reviews — better0.0% of reviews
Number of ratings177 — better3
Update frequencyEvery 2 weeks — betterEvery 35 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
Best chart rank#12 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size353 MB24 MB
Age rating+174+
DeveloperVargo Anesthesia IncMitra U.S. Computer Solutions, Inc

Customer experience

Vargo Anesthesia Mega App

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

RezClock

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Vargo Anesthesia Mega App

No in-app purchases

1 purchases

RezClock

Subscriptions1
  • RezClock Monthly - $0.99/month$0.991 Month

Questions

Is Vargo Anesthesia Mega App free?
Vargo Anesthesia Mega App costs $99.99, with no in-app purchases.
Is RezClock free?
RezClock is free to download, with in-app purchases available.
Which has better reviews, Vargo Anesthesia Mega App or RezClock?
Vargo Anesthesia Mega App is rated higher. Vargo Anesthesia Mega App averages 4.7 out of 5 from 177 ratings, while RezClock averages 2.3 from 3 ratings.
Do Vargo Anesthesia Mega App or RezClock have ads?
Neither Vargo Anesthesia Mega App nor RezClock shows ads.
Which is updated more often, Vargo Anesthesia Mega App or RezClock?
Vargo Anesthesia Mega App ships an update every 2 weeks, and RezClock every 35 months. Most recently, Vargo Anesthesia Mega App was updated on September 23, 2026 and RezClock on June 11, 2026.

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