# Amplify+® vs NIHSS Calculator

The clearest difference is price: Amplify+® at Free against NIHSS Calculator's $2.99. Amplify+® also leads on update cadence (fortnightly vs every 5 weeks). NIHSS Calculator's advantage is chart position (#200 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Amplify+® is free to download; NIHSS Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Amplify+® ships an update fortnightly, NIHSS Calculator every 5 weeks. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Amplify+® | NIHSS Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | — | Paid |
| Best chart rank | — | **#200** |
| Size | 105 MB | 1 MB |
| Requires iOS | **15.6** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Prescribe Digital](https://appshunter.io/developer/1479399263) | [ATIF ELNIL](https://appshunter.io/developer/1886307011) |

## What reviewers say

### Amplify+®

[App page](https://appshunter.io/ios/app/amplify-plus/id6478752615)

**In-app purchases:** none


### NIHSS Calculator

[App page](https://appshunter.io/ios/app/nihss-calculator/id6760891744)

**Currently charting:** #200 Top Paid · Medical (US App Store)

This tool helps healthcare professionals quickly and accurately calculate the National Institutes of Health Stroke Scale (NIHSS) score. It features an intuitive interface for bedside use, providing instant severity grading and working offline.

**Highlights:** Complete 15-item NIHSS scoring, Real-time total score updates, Instant severity classification, Optimized for clinical use, Works fully offline, One-tap reset

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

**In-app purchases:** none


## Frequently asked questions

### Is Amplify+® free?

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

### Is NIHSS Calculator free?

NIHSS Calculator costs $2.99, with no in-app purchases.

### Do Amplify+® or NIHSS Calculator have ads?

Neither Amplify+® nor NIHSS Calculator shows ads.

### Which is updated more often, Amplify+® or NIHSS Calculator?

Amplify+® ships an update fortnightly, and NIHSS Calculator every 5 weeks. Most recently, Amplify+® was updated on September 18, 2026 and NIHSS Calculator on September 19, 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.*