# iTIVA Anesthesia vs Anesthesiologists

The clearest difference is in-app purchases: Anesthesiologists at none against iTIVA Anesthesia's 1. Anesthesiologists also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 90%). iTIVA Anesthesia's advantage is update cadence (every 3 months vs every 17 months) and ratings volume (45 vs 5). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. iTIVA Anesthesia sells 1 one-off in-app purchase. Anesthesiologists asks for nothing beyond the download.

Anesthesiologists holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: iTIVA Anesthesia has 45 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 90% of iTIVA Anesthesia's written reviews are positive against 100% of Anesthesiologists's.

iTIVA Anesthesia ships an update every 3 months, Anesthesiologists every 17 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | iTIVA Anesthesia | Anesthesiologists |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (45 ratings)](https://appshunter.io/ios/app/itiva-anesthesia/id635652167/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/anesthesiologists/id6451498979/reviews)** |
| Number of ratings | **45** | 5 |
| Positive reviews | 90.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 17 months |
| Monetization | Free | Free |
| Size | 29 MB | 10 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [ANESTESIARTE CALI SAS](https://appshunter.io/developer/782878902) | [Vikas O'Reilly-Shah](https://appshunter.io/developer/1705995283) |

## What reviewers say

### iTIVA Anesthesia

[App page](https://appshunter.io/ios/app/itiva-anesthesia/id635652167)

This medical simulation app models drug distribution and TCI pump behavior for intravenous anesthesia. It helps users understand pharmacokinetics and calculate infusion rates based on various mathematical and pharmacokinetic models. Designed for educational purposes, it allows for up to three drug simulations simultaneously.

**Highlights:** TCI pump simulation, Drug distribution modeling, Pharmacokinetic models, Infusion rate calculation, Up to 3 drugs simultaneously, End tidal gas calculation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iTiva Pro | $9.99 | one-time |


### Anesthesiologists

[App page](https://appshunter.io/ios/app/anesthesiologists/id6451498979)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iTIVA Anesthesia free?

iTIVA Anesthesia 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 or Anesthesiologists?

Anesthesiologists is rated higher. iTIVA Anesthesia averages 4.6 out of 5 from 45 ratings, while Anesthesiologists averages 5.0 from 5 ratings.

### Do iTIVA Anesthesia or Anesthesiologists have ads?

Neither iTIVA Anesthesia nor Anesthesiologists shows ads.

### Which is updated more often, iTIVA Anesthesia or Anesthesiologists?

iTIVA Anesthesia ships an update every 3 months, and Anesthesiologists every 17 months. Most recently, iTIVA Anesthesia was updated on November 1, 2026 and Anesthesiologists on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*