# EchoCalc vs NYSORA Anesthesia Assistant

The clearest difference is rating: NYSORA Anesthesia Assistant at 4.6 against EchoCalc's 2.3. NYSORA Anesthesia Assistant also leads on review sentiment (65% vs 49%) and update cadence (every 10 days vs monthly). EchoCalc's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. EchoCalc sells 3 one-off in-app purchases and NYSORA Anesthesia Assistant sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

NYSORA Anesthesia Assistant holds the better App Store score, 4.6 against 2.3. Both are backed by a comparable volume of ratings — 23 and 71 respectively. Written reviews point the same way: 49% of EchoCalc's written reviews are positive against 65% of NYSORA Anesthesia Assistant's.

EchoCalc ships an update monthly, NYSORA Anesthesia Assistant every 10 days. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | EchoCalc | NYSORA Anesthesia Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (23 ratings)](https://appshunter.io/ios/app/echocalc/id468166426/reviews) | **[4.6 (71 ratings)](https://appshunter.io/ios/app/nysora-anesthesia-assistant/id6737912287/reviews)** |
| Number of ratings | 23 | **71** |
| Positive reviews | 48.8% of reviews | **65.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#42** |
| Size | 7 MB | 96 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [British Society of Echocardiography](https://appshunter.io/developer/468166429) | [NYSORA inc.](https://appshunter.io/developer/1507388998) |

## What reviewers say

### EchoCalc

[App page](https://appshunter.io/ios/app/echocalc/id468166426)

Access essential echocardiography reference data for clinical practice. Includes measurements, diastolic function, prosthetic valve data, and topic guides. Supports multiple reference standards and recent guidelines.

**Highlights:** Echocardiography reference data, LV/RV size & function, Diastolic function data, Prosthetic valve reference, Topic guides with explanations, Multiple reference standards (BSE, ASE, EACVI), Access to recent guidelines

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate £2 to BSE | $1.99 | one-time |
| Donate £5 to BSE | $4.99 | one-time |
| Donate £10 to BSE | $9.99 | one-time |


### NYSORA Anesthesia Assistant

[App page](https://appshunter.io/ios/app/nysora-anesthesia-assistant/id6737912287)

**Currently charting:** #42 Top Grossing · Medical (US App Store)

This app provides anesthesiologists and pain management specialists with quick access to drug dosing, personalized case plans, and the latest research. It simplifies daily practice with smart clinical tools and evidence-based recommendations, ensuring efficient patient care.

**Highlights:** Accurate drug dosing and infusion rates, Personalized anesthetic and perioperative plans, Real-time anesthesia research and guidelines, Intuitive search for quick information retrieval, Peer-reviewed content from experts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FULL ACCESS SUBSCRIPTION | $9.99 | per month |
| FULL ACCESS SUBSCRIPTION | $99.99 | per year |


## Frequently asked questions

### Is EchoCalc free?

EchoCalc is free to download, with in-app purchases available.

### Is NYSORA Anesthesia Assistant free?

NYSORA Anesthesia Assistant is free to download, with in-app purchases available.

### Which has better reviews, EchoCalc or NYSORA Anesthesia Assistant?

NYSORA Anesthesia Assistant is rated higher. EchoCalc averages 2.3 out of 5 from 23 ratings, while NYSORA Anesthesia Assistant averages 4.6 from 71 ratings.

### Do EchoCalc or NYSORA Anesthesia Assistant have ads?

NYSORA Anesthesia Assistant shows ads; EchoCalc does not.

### Which is updated more often, EchoCalc or NYSORA Anesthesia Assistant?

EchoCalc ships an update monthly, and NYSORA Anesthesia Assistant every 10 days. Most recently, EchoCalc was updated on October 23, 2026 and NYSORA Anesthesia Assistant on October 27, 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.*