# NKS Explorer HD vs Rectangles & Primes

The clearest difference is device support: Rectangles & Primes at 3 against NKS Explorer HD's 1. NKS Explorer HD's advantage is iOS requirement (8.0 vs 15.0). 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 | NKS Explorer HD | Rectangles & Primes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/nks-explorer-hd/id1255002903/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | — |
| Size | 5 MB | 10 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [John Kiehl](https://appshunter.io/developer/489971243) | [Johannes Charra](https://appshunter.io/developer/1557733427) |

## What reviewers say

### NKS Explorer HD

[App page](https://appshunter.io/ios/app/nks-explorer-hd/id1255002903)

Explore the "New Kind of Science" through interactive pattern generation. Discover insights into the universe by creating complex visual patterns from simple computer programs. Engage your artistic side while learning about fundamental scientific principles.

**Highlights:** Interactive pattern generation, Explore "New Kind of Science", Universe insights, Artful pattern creation, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Rectangles & Primes

[App page](https://appshunter.io/ios/app/rectangles-and-primes/id1572074176)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NKS Explorer HD free?

NKS Explorer HD is free to download, with no in-app purchases.

### Is Rectangles & Primes free?

Rectangles & Primes is free to download, with no in-app purchases.

### Do NKS Explorer HD or Rectangles & Primes have ads?

Neither NKS Explorer HD nor Rectangles & Primes shows ads.

---

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