# ASRA Coags vs iTIVA Anesthesia Plus

The clearest difference is review sentiment: iTIVA Anesthesia Plus at 73% against ASRA Coags's 9%. iTIVA Anesthesia Plus also leads on rating (4.8 vs 1.3) and iOS requirement (11.0 vs 13.4). ASRA Coags's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

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

iTIVA Anesthesia Plus holds the better App Store score, 4.8 against 1.3. Both are backed by a comparable volume of ratings — 414 and 343 respectively. Written reviews point the same way: 9% of ASRA Coags's written reviews are positive against 73% of iTIVA Anesthesia Plus's.

ASRA Coags ships an update every 3 months, iTIVA Anesthesia Plus every 2 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | ASRA Coags | iTIVA Anesthesia Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (414 ratings)](https://appshunter.io/ios/app/asra-coags/id858796572/reviews) | **[4.8 (343 ratings)](https://appshunter.io/ios/app/itiva-anesthesia-plus/id1442975682/reviews)** |
| Number of ratings | **414** | 343 |
| Positive reviews | 8.9% of reviews | **72.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Subscription | Subscription |
| Size | 27 MB | 125 MB |
| Requires iOS | 13.4 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [American Society of Regional Anesthesia and Pain Medicine](https://appshunter.io/developer/858796575) | [ANESTESIARTE CALI SAS](https://appshunter.io/developer/782878902) |

## What reviewers say

### ASRA Coags

[App page](https://appshunter.io/ios/app/asra-coags/id858796572)

This app provides quick access to anticoagulation guidelines for regional anesthesia and interventional pain procedures. It offers drug-specific summaries, recommendations based on procedure type, and detailed information on medication mechanisms and guideline documents.

**Highlights:** Anticoagulation guideline reference, Drug-specific summary information, Regional anesthesia guidelines, Interventional pain guidelines, Search by drug or procedure, Recommendations by block and intervention type

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ASRA Coags free?

ASRA Coags is free to download, with no in-app purchases.

### Is iTIVA Anesthesia Plus free?

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

### Which has better reviews, ASRA Coags or iTIVA Anesthesia Plus?

iTIVA Anesthesia Plus is rated higher. ASRA Coags averages 1.3 out of 5 from 414 ratings, while iTIVA Anesthesia Plus averages 4.8 from 343 ratings.

### Do ASRA Coags or iTIVA Anesthesia Plus have ads?

Neither ASRA Coags nor iTIVA Anesthesia Plus shows ads.

### Which is updated more often, ASRA Coags or iTIVA Anesthesia Plus?

ASRA Coags ships an update every 3 months, and iTIVA Anesthesia Plus every 2 months. Most recently, ASRA Coags was updated on October 29, 2026 and iTIVA Anesthesia Plus on October 29, 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.*