# NSYS Diagnostics vs Black Keyboard

The clearest difference is device support: NSYS Diagnostics at 4 against Black Keyboard's 2. NSYS Diagnostics also leads on iOS requirement (13 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | NSYS Diagnostics | Black Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 15 MB | 3 MB |
| Requires iOS | **13** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Grigoriy Glazman](https://appshunter.io/developer/1448501053) | [The Trade Script, LLC](https://appshunter.io/developer/6797162096) |

## What reviewers say

### NSYS Diagnostics

[App page](https://appshunter.io/ios/app/nsys-diagnostics/id6764545220)

**Features:** Apple Watch app

**In-app purchases:** none


### Black Keyboard

[App page](https://appshunter.io/ios/app/black-keyboard-pure-black/id6804228980)

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

**In-app purchases:** none


## Frequently asked questions

### Is NSYS Diagnostics free?

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

### Is Black Keyboard free?

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

### Do NSYS Diagnostics or Black Keyboard have ads?

Neither NSYS Diagnostics nor Black Keyboard shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*