Vargo Anesthesia Mega App vs RezClock
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.
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.
- Automated time tracking
- Location-based geofencing
- Duty hours reporting
- Data upload to MedProSuite
- Free trial period
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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
Verdict
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
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.
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.
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.
| Parameter | Vargo Anesthesia Mega App | RezClock |
|---|---|---|
| Price | $99.99 | Free — better |
| Rating | 4.7 (177 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 84.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 177 — better | 3 |
| Update frequency | Every 2 weeks — better | Every 35 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid — better | Subscription |
| Best chart rank | #12 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 353 MB | 24 MB |
| Age rating | +17 | 4+ |
| Developer | Vargo Anesthesia Inc | Mitra U.S. Computer Solutions, Inc |
Customer experience
Vargo Anesthesia Mega App
RezClock
In-app purchases
Vargo Anesthesia Mega App
No in-app purchases
RezClock
- RezClock Monthly - $0.99/month$0.991 Month
Questions
Is Vargo Anesthesia Mega App free?
Is RezClock free?
Which has better reviews, Vargo Anesthesia Mega App or RezClock?
Do Vargo Anesthesia Mega App or RezClock have ads?
Which is updated more often, Vargo Anesthesia Mega App or RezClock?
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