# NIH Score & stroke tools vs Emory ECMO

The clearest difference is price: Emory ECMO at Free against NIH Score & stroke tools's $0.99. NIH Score & stroke tools's advantage is update cadence (every 5 months vs every 15 months) and chart position (#104 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Emory ECMO is free to download; NIH Score & stroke tools costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NIH Score & stroke tools ships an update every 5 months, Emory ECMO every 15 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | NIH Score & stroke tools | Emory ECMO |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (69 ratings)](https://appshunter.io/ios/app/nih-score-and-stroke-tools/id949290742/reviews)** | — |
| Number of ratings | **69** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 15 months |
| Monetization | Paid | — |
| Best chart rank | **#104** | — |
| Size | 9 MB | 15 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Mikael Cohen](https://appshunter.io/developer/949290741) | [Emory University](https://appshunter.io/developer/387102326) |

## What reviewers say

### NIH Score & stroke tools

[App page](https://appshunter.io/ios/app/nih-score-and-stroke-tools/id949290742)

**Currently charting:** #104 Top Paid · Medical (US App Store)

This medical app provides physicians with essential tools for acute stroke management. It includes calculators for NIHSS, ABCD2, CHA2DS2-VASc, and ASPECTS scores, along with guideline summaries for thrombolysis and thrombectomy. A time manager helps track critical door-to-needle times.

**Highlights:** NIHSS calculator, Stroke guideline summaries, Time manager for door-to-needle, ABCD2 score calculator, CHA2DS2-VASc score calculator, Modified Rankin Scale, ASPECTS score

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Emory ECMO

[App page](https://appshunter.io/ios/app/emory-ecmo/id1667321927)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NIH Score & stroke tools free?

NIH Score & stroke tools costs $0.99, with no in-app purchases.

### Is Emory ECMO free?

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

### Do NIH Score & stroke tools or Emory ECMO have ads?

Neither NIH Score & stroke tools nor Emory ECMO shows ads.

### Which is updated more often, NIH Score & stroke tools or Emory ECMO?

NIH Score & stroke tools ships an update every 5 months, and Emory ECMO every 15 months. Most recently, NIH Score & stroke tools was updated on September 14, 2026 and Emory ECMO on September 17, 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.*