# RapidAI vs NIH Stroke Scale Calculator

The clearest difference is rating: NIH Stroke Scale Calculator at 5.0 against RapidAI's 4.0. NIH Stroke Scale Calculator also leads on monetization model (free vs ad-supported) and iOS requirement (15.4 vs 17.6). RapidAI's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (13 vs 4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NIH Stroke Scale Calculator holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 13 and 4 respectively.

RapidAI ships an update every 3 weeks, NIH Stroke Scale Calculator every 4 months. The most recent releases landed on August 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RapidAI | NIH Stroke Scale Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (13 ratings)](https://appshunter.io/ios/app/rapidai/id1458520461/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nih-stroke-scale-calculator/id6443905481/reviews)** |
| Number of ratings | **13** | 4 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Size | 135 MB | 2 MB |
| Requires iOS | 17.6 | **15.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [iSchemaView](https://appshunter.io/developer/1384787523) | [US Department of Veterans Affairs (VA)](https://appshunter.io/developer/430646305) |

## What reviewers say

### 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


### NIH Stroke Scale Calculator

[App page](https://appshunter.io/ios/app/nih-stroke-scale-calculator/id6443905481)

This tool helps healthcare professionals quickly assess a patient's neurologic condition for stroke-like symptoms. Its user-friendly interface streamlines the diagnosis process, saving critical time during emergencies.

**Highlights:** Quick neurologic assessment, Stroke symptom evaluation, Intuitive user interface, Faster diagnosis, Severity determination

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RapidAI free?

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

### Is NIH Stroke Scale Calculator free?

NIH Stroke Scale Calculator is free to download, with no in-app purchases.

### Which has better reviews, RapidAI or NIH Stroke Scale Calculator?

NIH Stroke Scale Calculator is rated higher. RapidAI averages 4.0 out of 5 from 13 ratings, while NIH Stroke Scale Calculator averages 5.0 from 4 ratings.

### Do RapidAI or NIH Stroke Scale Calculator have ads?

Neither RapidAI nor NIH Stroke Scale Calculator shows ads.

### Which is updated more often, RapidAI or NIH Stroke Scale Calculator?

RapidAI ships an update every 3 weeks, and NIH Stroke Scale Calculator every 4 months. Most recently, RapidAI was updated on August 15, 2026 and NIH Stroke Scale Calculator on September 20, 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.*