# NIHSS+ vs MedDiffDx

The clearest difference is price: NIHSS+ at Free against MedDiffDx's $3.99. MedDiffDx's advantage is update cadence (every 6 days vs every 2 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NIHSS+ is free to download; MedDiffDx costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NIHSS+ ships an update every 2 weeks, MedDiffDx every 6 days. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | NIHSS+ | MedDiffDx |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/nihss-plus/id1669590578/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 1.2 GB | 6 MB |
| Requires iOS | 16.0 | 16 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Apex Innovations](https://appshunter.io/developer/1669590580) | [worawit tantaopas](https://appshunter.io/developer/1833368157) |

## What reviewers say

### NIHSS+

[App page](https://appshunter.io/ios/app/nihss-plus/id1669590578)

This app provides a digital learning format for evaluating stroke symptoms based on the established NIHSS scale. It offers guidance for accurate stroke assessment, tips, and support for telestroke situations, intended for educational purposes.

**Highlights:** Stroke symptom evaluation, Digital learning format, Accurate stroke assessment guidance, Tips and tricks for assessment, Telestroke situation support, Educational training

**Features:** Vision Pro support

**In-app purchases:** none


### MedDiffDx

[App page](https://appshunter.io/ios/app/meddiffdx-internal-medicine/id6751080004)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NIHSS+ free?

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

### Is MedDiffDx free?

MedDiffDx costs $3.99, with no in-app purchases.

### Do NIHSS+ or MedDiffDx have ads?

Neither NIHSS+ nor MedDiffDx shows ads.

### Which is updated more often, NIHSS+ or MedDiffDx?

NIHSS+ ships an update every 2 weeks, and MedDiffDx every 6 days. Most recently, NIHSS+ was updated on October 12, 2026 and MedDiffDx on October 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.*