# EchoCalc vs DataNurse

The clearest difference is in-app purchases: DataNurse at none against EchoCalc's 3. EchoCalc's advantage is iOS requirement (11.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. EchoCalc sells 3 one-off in-app purchases. DataNurse asks for nothing beyond the download.

EchoCalc ships an update monthly, DataNurse every 3 weeks. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | EchoCalc | DataNurse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (23 ratings)](https://appshunter.io/ios/app/echocalc/id468166426/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 48.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 39 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [British Society of Echocardiography](https://appshunter.io/developer/468166429) | [InfoTech Private Limited](https://appshunter.io/developer/1711767147) |

## 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 |


### DataNurse

[App page](https://appshunter.io/ios/app/datanurse/id6768228831)

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

**In-app purchases:** none


## Frequently asked questions

### Is EchoCalc free?

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

### Is DataNurse free?

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

### Do EchoCalc or DataNurse have ads?

Neither EchoCalc nor DataNurse shows ads.

### Which is updated more often, EchoCalc or DataNurse?

EchoCalc ships an update monthly, and DataNurse every 3 weeks. Most recently, EchoCalc was updated on October 23, 2026 and DataNurse on October 13, 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.*