# NIH Score & stroke tools vs RapidAI

The clearest difference is price: RapidAI at Free against NIH Score & stroke tools's $0.99. RapidAI also leads on update cadence (every 2 weeks vs every 5 months) and review sentiment (43% vs 25%). NIH Score & stroke tools's advantage is rating (4.5 vs 4.0) and ratings volume (69 vs 13). On ads and in-app purchases there is nothing between them.

RapidAI 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 holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: NIH Score & stroke tools has 69 ratings behind it against 13, so its average is the more settled of the two. Written reviews complicate that: 25% of NIH Score & stroke tools's written reviews are positive against 43% of RapidAI's, so the app with the better star average is not the one people write more warmly about.

NIH Score & stroke tools ships an update every 5 months, RapidAI every 2 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NIH Score & stroke tools | RapidAI |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (69 ratings)](https://appshunter.io/ios/app/nih-score-and-stroke-tools/id949290742/reviews)** | [4.0 (13 ratings)](https://appshunter.io/ios/app/rapidai/id1458520461/reviews) |
| Number of ratings | **69** | 13 |
| Positive reviews | 25.0% of reviews | **42.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 9 MB | 125 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Mikael Cohen](https://appshunter.io/developer/949290741) | [iSchemaView](https://appshunter.io/developer/1384787523) |

## What reviewers say

### NIH Score & stroke tools

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

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


### RapidAI

[App page](https://appshunter.io/ios/app/rapidai/id1458520461)

This application provides AI-driven medical imaging analysis for care teams. It enables rapid, precise management of life-threatening conditions, delivering clinical decision support to accelerate treatment and improve patient outcomes. Physicians receive real-time notifications and can access patient imaging on their mobile devices.

**Highlights:** AI-driven medical imaging analysis, Real-time notifications for new cases, Access to patient imaging in seconds, DICOM viewer with zoom and rotation, Organize case results from multiple sites, In-app calling for team communication

**Features:** Vision Pro support

**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 RapidAI free?

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

### Which has better reviews, NIH Score & stroke tools or RapidAI?

NIH Score & stroke tools is rated higher. NIH Score & stroke tools averages 4.5 out of 5 from 69 ratings, while RapidAI averages 4.0 from 13 ratings.

### Do NIH Score & stroke tools or RapidAI have ads?

Neither NIH Score & stroke tools nor RapidAI shows ads.

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

NIH Score & stroke tools ships an update every 5 months, and RapidAI every 2 weeks. Most recently, NIH Score & stroke tools was updated on October 26, 2026 and RapidAI on October 24, 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.*