# Simple Nitrox vs NCalc  Easy

The clearest difference is in-app purchases: NCalc  Easy at none against Simple Nitrox's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Nitrox sells 1 one-off in-app purchase. NCalc  Easy asks for nothing beyond the download.

## The numbers

| Metric | Simple Nitrox | NCalc  Easy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 29 months | — |
| Size | 2 MB | 1 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Simon Chivers](https://appshunter.io/developer/1698955737) | [Denys Dykusha](https://appshunter.io/developer/930478942) |

## What reviewers say

### Simple Nitrox

[App page](https://appshunter.io/ios/app/simple-nitrox/id6463395880)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Nitrox Full Access | $0.99 | one-time |


### NCalc  Easy

[App page](https://appshunter.io/ios/app/ncalc-easy/id6758948121)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Nitrox free?

Simple Nitrox is free to download, with in-app purchases available.

### Is NCalc  Easy free?

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

### Do Simple Nitrox or NCalc  Easy have ads?

Neither Simple Nitrox nor NCalc  Easy 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.*