# Simple Nitrox vs SPZ App

The clearest difference is in-app purchases: SPZ App at none against Simple Nitrox's 1. SPZ App also leads on update cadence (every 2 months vs every 29 months) and device support (3 vs 1). On price and ads there is nothing between them.

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

Simple Nitrox ships an update every 29 months, SPZ App every 2 months. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Simple Nitrox | SPZ App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 2 months** |
| Size | 2 MB | 12 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Simon Chivers](https://appshunter.io/developer/1698955737) | [Andrej Flogie](https://appshunter.io/developer/1489962647) |

## 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 |


### SPZ App

[App page](https://appshunter.io/ios/app/spz-app/id6477761658)

**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 SPZ App free?

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

### Do Simple Nitrox or SPZ App have ads?

Neither Simple Nitrox nor SPZ App shows ads.

### Which is updated more often, Simple Nitrox or SPZ App?

Simple Nitrox ships an update every 29 months, and SPZ App every 2 months. Most recently, Simple Nitrox was updated on September 12, 2026 and SPZ App on September 9, 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.*