Comparison

iTIVA Anesthesia Plus vs ABG Calculator

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

Head to head
About

iTIVA Anesthesia Plus

This app simulates drug concentrations in plasma and optimizes infusion schemes for medical professionals. It offers a comprehensive drug library, target-controlled infusion simulation, and MAC age calculation. Users can explore drug interactions, share cases, and export data.

Highlights
  • Accurate drug concentration estimation
  • Target Controlled Infusion (TCI) simulation
  • Comprehensive drug library (28 drugs)
  • Explore drug interactions (70 PK, 10 PD models)
  • MAC Age Calculation
  • Intraoperative milestones & case sharing
  • Save and run multiple simulations
  • Excel data export
Features
Read full description

Introducing iTIVA: Your Ultimate Pharmacokinetic / Pharmacodynamic Simulation App Are you a medical professional looking to enhance precision and efficiency in drug administration while expanding your knowledge in pharmacokinetics? Look no further than iTIVA, the leading pharmacokinetic/pharmacodynamic simulation application designed to revolutionize the way you estimate drug concentrations in plasma and optimize infusion schemes! Key Features: • Accurate Drug Concentration Estimation: Harness the power of cutting-edge mathematical models to estimate drug concentrations in plasma. iTIVA offers an extensive library of 28 drugs and 70 pharmacokinetic models, empowering you to control anesthesia IV drugs like an expert. • Target Controlled Infusion (TCI) Simulation: Take control of TCI pumps like never before! iTIVA simulates TCI pump behavior, allowing you to calculate infusion schemes to attain and maintain desired target concentrations in plasma or effect site. It's like having a reliable assistant right at your fingertips. • Comprehensive Drug Library: From Remifentanil, Propofol to Heparin and beyond, iTIVA boasts an impressive range of 28 drugs to cater to your unique needs. (Remifentanil, Fentanyl, Sufentanil, Alfentanil, Hydromorphone, Morphine, Ketamine, Procaine, Lidocaine, Propofol, Etomidate, Dexmedetomidine, Midazolam, Remimazolam, Thiopental, Atracurium, Cisatracurium, Rocuronium, Vecuronium, Sugammadex, Tranexamic, Magnesium sulfate, Diazepam, Heparin and Protamine) • Explore Drug Interactions: With 70 pharmacokinetic models and 10 pharmacodynamic models at your disposal, iTIVA facilitates in-depth exploration of drug interactions. • MAC Age Calculation: Quickly determine end-tidal (Et) concentration for Isoflurane, Sevoflurane, and Desflurane using the Mapleson equation. No more guesswork – iTIVA streamlines the process for you. • Intraoperative Milestones & Case Sharing: Record crucial intraoperative milestones and effortlessly share cases with colleagues using QR codes. Collaboration has never been this seamless! • Save and Run Multiple Simulations: Save your simulation cases for future review or run multiple simulations simultaneously. iTIVA adapts to your workflow and maximizes efficiency. • Excel Data Export: All recorded information can be conveniently exported as an Excel file. Stay organized and analyze your data with ease. iTIVA's yearly subscription is available for US$9,99/year.  • The subscription 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 • The account will be charged for renewal within 24-hours before 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 More details can be found here iTIVA Privacy Policy: https://itiva.co/privacy.html Terms and Conditions: http://itiva.co/terms.html

About

ABG Calculator

This medical tool quickly analyzes arterial blood gas results for healthcare professionals. It calculates acid-base status, anion gap, and compensation, offering comprehensive diagnoses offline. Save and share patient results for efficient clinical decision-making.

Highlights
  • Offline arterial blood gas analysis
  • Instant acid-base disorder determination
  • Anion gap and compensation assessment
  • Flexible unit options
  • Save and share patient results
  • Results history and search
Features
Read full description

ABG Calculator is designed for physicians, nurses, and medical professionals who need a quick, accurate way to analyze arterial blood gas results and determine acid-base status. Simply enter the essential values—pH, PaCO₂, HCO₃, along with electrolytes like sodium, chloride, and albumin—and watch as the app instantly analyzes your patient's acid-base status, calculates anion gap, and provides a comprehensive diagnosis. Multiple units available: mmHg, kPa, mmol/L, mEq/L, g/dL, g/L for all parameters to accommodate your preferred measurement system. Key Features: No internet needed - works completely offline Easy Data Input: Quickly enter ABG values and electrolytes with flexible unit options Comprehensive Analysis: Instant determination of acid-base disorders including respiratory and metabolic components Anion Gap Calculation: Automatic calculation of anion gap and albumin-corrected anion gap Compensation Assessment: Evaluates whether compensation is appropriate, partial, or absent Save Results: Store your analyses with custom names for later reference Share Results: Easily share your calculations with colleagues via text or messaging apps Results History: Access all your saved ABG analyses in a searchable, sortable list Whether you're in the ICU, emergency department, or on the hospital floor, ABG Calculator helps you quickly interpret blood gas results with confidence. Download ABG Calculator and enhance your clinical decision-making today! Medical Disclaimer The ABG Calculator App is designed as a tool to assist healthcare professionals in analyzing arterial blood gas results. It is not intended to replace professional medical judgment or advice. Always consult with a qualified healthcare provider for interpretation of medical test results and before making any medical decisions.

Screenshots

iTIVA Anesthesia Plus4 screens
ABG Calculator3 screens

Verdict

The call

The clearest difference is price: iTIVA Anesthesia Plus at Free against ABG Calculator's $9.99. iTIVA Anesthesia Plus also leads on ratings volume (345 vs 2). ABG Calculator's advantage is in-app purchases (none vs 2) and review sentiment (100% vs 73%). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

iTIVA Anesthesia Plus is free to download; ABG Calculator costs $9.99 up front. iTIVA Anesthesia Plus sells 2 in-app purchases, starting at $9.99 per year. ABG Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ABG Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: iTIVA Anesthesia Plus has 345 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of iTIVA Anesthesia Plus's written reviews are positive against 100% of ABG Calculator's.

UpkeepUpdate frequency

iTIVA Anesthesia Plus ships an update every 2 months, ABG Calculator every 3 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
iTIVA Anesthesia Plus versus ABG Calculator: the parameters behind the verdict, then further details
ParameteriTIVA Anesthesia PlusABG Calculator
PriceFree — better$9.99
Rating4.8 (345 ratings)5.0 (2 ratings) — better
Positive reviews72.7% of reviews100.0% of reviews — better
Number of ratings345 — better2
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionPaid — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.011.0
Further details — not scored
Size125 MB8 MB
Age rating17+4+
DeveloperANESTESIARTE CALI SASSAGA Virtual Tecnologia Ltda

Customer experience

iTIVA Anesthesia Plus

All ratings330 ratings
Positive94.8%
Neutral1.8%
Negative3.3%
Written reviews11 reviews
Positive72.7%
Neutral18.2%
Negative9.1%

ABG Calculator

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

iTIVA Anesthesia Plus

Subscriptions2
  • iTIVA yearly$9.991 Year
  • iTIVA yearly 2021$9.991 Year
None

ABG Calculator

No in-app purchases

Questions

Is iTIVA Anesthesia Plus free?
iTIVA Anesthesia Plus is free to download, with in-app purchases available.
Is ABG Calculator free?
ABG Calculator costs $9.99, with no in-app purchases.
Which has better reviews, iTIVA Anesthesia Plus or ABG Calculator?
ABG Calculator is rated higher. iTIVA Anesthesia Plus averages 4.8 out of 5 from 345 ratings, while ABG Calculator averages 5.0 from 2 ratings.
Do iTIVA Anesthesia Plus or ABG Calculator have ads?
Neither iTIVA Anesthesia Plus nor ABG Calculator shows ads.
Which is updated more often, iTIVA Anesthesia Plus or ABG Calculator?
iTIVA Anesthesia Plus ships an update every 2 months, and ABG Calculator every 3 months. Most recently, iTIVA Anesthesia Plus was updated on November 2, 2026 and ABG Calculator on November 4, 2026.

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