# The NIHSS vs Joint Variation

The NIHSS and Joint Variation are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | The NIHSS | Joint Variation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 190 MB | 31 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Pace Online](https://appshunter.io/developer/1481576155) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### The NIHSS

[App page](https://appshunter.io/ios/app/the-nihss/id1608774216)

**Features:** macOS Compatibility

**In-app purchases:** none


### Joint Variation

[App page](https://appshunter.io/ios/app/joint-variation/id6742363909)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The NIHSS free?

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

### Is Joint Variation free?

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

### Do The NIHSS or Joint Variation have ads?

Neither The NIHSS nor Joint Variation shows ads.

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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.*