# iTIVA Anesthesia Plus vs ESRA 2024

The clearest difference is in-app purchases: ESRA 2024 at none against iTIVA Anesthesia Plus's 2. ESRA 2024 also leads on update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. iTIVA Anesthesia Plus sells 2 in-app purchases, starting at $9.99 per year. ESRA 2024 asks for nothing beyond the download.

iTIVA Anesthesia Plus ships an update every 2 months, ESRA 2024 weekly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | iTIVA Anesthesia Plus | ESRA 2024 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (347 ratings)](https://appshunter.io/ios/app/itiva-anesthesia-plus/id1442975682/reviews)** | — |
| Number of ratings | **347** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Subscription | — |
| Size | 125 MB | 51 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ANESTESIARTE CALI SAS](https://appshunter.io/developer/782878902) | [IP-Links](https://appshunter.io/developer/823709796) |

## What reviewers say

### iTIVA Anesthesia Plus

[App page](https://appshunter.io/ios/app/itiva-anesthesia-plus/id1442975682)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iTIVA yearly | $9.99 | per year |
| iTIVA yearly 2021 | $9.99 | per year |


### ESRA 2024

[App page](https://appshunter.io/ios/app/esra-2024/id6462422228)

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

**In-app purchases:** none


## Frequently asked questions

### Is iTIVA Anesthesia Plus free?

iTIVA Anesthesia Plus is free to download, with in-app purchases available.

### Is ESRA 2024 free?

ESRA 2024 is free to download, with no in-app purchases.

### Do iTIVA Anesthesia Plus or ESRA 2024 have ads?

Neither iTIVA Anesthesia Plus nor ESRA 2024 shows ads.

### Which is updated more often, iTIVA Anesthesia Plus or ESRA 2024?

iTIVA Anesthesia Plus ships an update every 2 months, and ESRA 2024 weekly. Most recently, iTIVA Anesthesia Plus was updated on November 11, 2026 and ESRA 2024 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.*