# NK vs Embedded System&Microcontroler

The clearest difference is price: NK at Free against Embedded System&Microcontroler's $5.99. NK also leads on update cadence (every 6 months vs every 39 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NK is free to download; Embedded System&Microcontroler costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NK ships an update every 6 months, Embedded System&Microcontroler every 39 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NK | Embedded System&Microcontroler |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 39 months |
| Size | 26 MB | 10 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIPPON KAIJI KYOKAI GENERAL INCORPORATED FOUNDATION](https://appshunter.io/developer/956676437) | [Raj Kumar](https://appshunter.io/developer/1037581682) |

## What reviewers say

### NK

[App page](https://appshunter.io/ios/app/nk-ships-mobile/id1109981701)

**Features:** macOS Compatibility

**In-app purchases:** none


### Embedded System&Microcontroler

[App page](https://appshunter.io/ios/app/embedded-system-and-microcontroler/id1209722151)

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

**In-app purchases:** none


## Frequently asked questions

### Is NK free?

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

### Is Embedded System&Microcontroler free?

Embedded System&Microcontroler costs $5.99, with no in-app purchases.

### Do NK or Embedded System&Microcontroler have ads?

Neither NK nor Embedded System&Microcontroler shows ads.

### Which is updated more often, NK or Embedded System&Microcontroler?

NK ships an update every 6 months, and Embedded System&Microcontroler every 39 months. Most recently, NK was updated on October 29, 2026 and Embedded System&Microcontroler on October 24, 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.*