Comparison

iTIVA Anesthesia Plus vs Anesthesiologists

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

Anesthesiologists

This medical app provides quick calculations for adult and pediatric anesthesia, including drug dosing and airway management based on patient weight and age. It's a valuable tool for anesthesiologists, CRNAs, physicians, and medical students.

Highlights
  • Adult and pediatric anesthesia calculations
  • Drug dosing (IM, RSI, infusions)
  • Airway management tools
  • Calculations based on patient weight and age
  • Obstetric drug information
  • Continuous updates
Features
Read full description

Anesthesiologist is designed to help quickly calculate adult and pediatric anesthesia related information. Useful for anesthesiologists, CRNA, ER and critical care physicians, as well as medical students, residents, and fellows. Drug dosing and airway management information is calculated on the basis of patient weight and age. The app is a work in progress; please see "What's new" for updates about included information. Airway: Mask size Laryngoscope blade size Endotracheal tube size Laryngeal mask airway (LMA) size and ETT it will admit Drugs including IM and rapid sequence induction dosing: Succinylcholine Rocuronium Cisatracurium Vecuronium Propofol Etomidate Ketamine Thiopental Fentanyl Hydromorphone Morphine Ketorolac Acetaminophen Ondansetron Dexamethasone Metoclopramide Epinephrine Amiodarone Phenylephrine Ephedrine Midazolam Clonidine Glycopyrrolate Atropine Neostigmine Cefazolin Ceftriaxone Ampicillin Cefoxitin Clindamycin Gentamicin Vancomycin Infusions: Remifentanil Propofol Dopamine Dobutamine Epinephrine Isoproterenol Norepinephrine Milrinone Phenylephrine Vasopressin Nitroglycerin Nitroprusside Esmolol Obstetric drugs: Magnesium Oxytocin Methergine Carboprost (Hemabate) Terbutaline Copyright 2011 Vikas Shah. Disclaimer and warning: This application was written solely to be used as a helpful adjunct for professionally trained physicians and practitioners otherwise experienced in airway management and drug administration and dosing. The data is provided for informational purposes only and in no way should be construed as professional medical advice. If you don't know the drug, its side effects, and its pitfalls, don't use it! Care has been taken that no errors in calculation have been made, but all calculations must be verified by the user. Drug dosing given here is based on published doses, but in all cases drugs should be administered on a case by case basis and titrated to effect for the individual patient. In no case have individual patient differences been taken into account, and conditions including but not limited to renal disease, hepatic dysfunction, cardiovascular disease, pulmonary disease, metabolic diseases and mitochondrial diseases may impact dosing or safety in the use certain drugs. Neither the name of the copyright owner nor the name of this project may be used to endorse or promote products derived from this software without specific prior written permission. This software is provided by the copyright holder "as is" and any express or implied warranties, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose are disclaimed. In no event shall the copyright owner be liable for any direct, indirect, incidental, special, exemplary, or consequential damages (including, but not limited to, procurement of substitute goods or services; loss of use, data, or profits; or business interruption) however caused and on any theory of liability, whether in contract, strict liability, or tort (including negligence or otherwise) arising in any way out of the use of this software, even if advised of the possibility of such damage. In places where such liabilities cannot be waived or disclaimed, liability shall not exceed the retail cost of the application to the user of the application. Use of this app implies agreement to these terms and conditons. If you do not agree with these terms and conditions, delete this applicaton from your device.

Screenshots

iTIVA Anesthesia Plus4 screens
Anesthesiologists4 screens

Verdict

The call

The clearest difference is in-app purchases: Anesthesiologists at none against iTIVA Anesthesia Plus's 2. Anesthesiologists also leads on review sentiment (100% vs 73%) and rating (5.0 vs 4.8). iTIVA Anesthesia Plus's advantage is update cadence (every 2 months vs every 17 months) and ratings volume (345 vs 5). On price, 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

Both are free to download. iTIVA Anesthesia Plus sells 2 in-app purchases, starting at $9.99 per year. Anesthesiologists asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Anesthesiologists 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 5, 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 Anesthesiologists's.

UpkeepUpdate frequency

iTIVA Anesthesia Plus ships an update every 2 months, Anesthesiologists every 17 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
iTIVA Anesthesia Plus versus Anesthesiologists: the parameters behind the verdict, then further details
ParameteriTIVA Anesthesia PlusAnesthesiologists
PriceFreeFree
Rating4.8 (345 ratings)5.0 (5 ratings) — better
Positive reviews72.7% of reviews100.0% of reviews — better
Number of ratings345 — better5
Update frequencyEvery 2 months — betterEvery 17 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size125 MB10 MB
Age rating17+17+
DeveloperANESTESIARTE CALI SASVikas O'Reilly-Shah

Customer experience

iTIVA Anesthesia Plus

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

Anesthesiologists

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 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

Anesthesiologists

No in-app purchases

Questions

Is iTIVA Anesthesia Plus free?
iTIVA Anesthesia Plus is free to download, with in-app purchases available.
Is Anesthesiologists free?
Anesthesiologists is free to download, with no in-app purchases.
Which has better reviews, iTIVA Anesthesia Plus or Anesthesiologists?
Anesthesiologists is rated higher. iTIVA Anesthesia Plus averages 4.8 out of 5 from 345 ratings, while Anesthesiologists averages 5.0 from 5 ratings.
Do iTIVA Anesthesia Plus or Anesthesiologists have ads?
Neither iTIVA Anesthesia Plus nor Anesthesiologists shows ads.
Which is updated more often, iTIVA Anesthesia Plus or Anesthesiologists?
iTIVA Anesthesia Plus ships an update every 2 months, and Anesthesiologists every 17 months. Most recently, iTIVA Anesthesia Plus was updated on November 2, 2026 and Anesthesiologists on November 3, 2026.

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