# Nitrox Virtual Analyzer vs FS Formation Skydiving

The clearest difference is price: Nitrox Virtual Analyzer at Free against FS Formation Skydiving's $5.99. Nitrox Virtual Analyzer also leads on iOS requirement (13.0 vs 15.0). FS Formation Skydiving's advantage is update cadence (every 2 months vs every 24 months). On ads, in-app purchases and device support there is nothing between them.

Nitrox Virtual Analyzer is free to download; FS Formation Skydiving costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nitrox Virtual Analyzer ships an update every 24 months, FS Formation Skydiving every 2 months. The most recent releases landed on May 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Nitrox Virtual Analyzer | FS Formation Skydiving |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 months** |
| Size | 6 MB | 184 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Costello](https://appshunter.io/developer/1504868572) | [Adam Mattacola](https://appshunter.io/developer/1582163349) |

## What reviewers say

### Nitrox Virtual Analyzer

[App page](https://appshunter.io/ios/app/nitrox-virtual-analyzer/id1505174941)

**Features:** macOS Compatibility

**In-app purchases:** none


### FS Formation Skydiving

[App page](https://appshunter.io/ios/app/fs-formation-skydiving/id1612841351)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nitrox Virtual Analyzer free?

Nitrox Virtual Analyzer is free to download, with no in-app purchases.

### Is FS Formation Skydiving free?

FS Formation Skydiving costs $5.99, with no in-app purchases.

### Do Nitrox Virtual Analyzer or FS Formation Skydiving have ads?

Neither Nitrox Virtual Analyzer nor FS Formation Skydiving shows ads.

### Which is updated more often, Nitrox Virtual Analyzer or FS Formation Skydiving?

Nitrox Virtual Analyzer ships an update every 24 months, and FS Formation Skydiving every 2 months. Most recently, Nitrox Virtual Analyzer was updated on May 19, 2026 and FS Formation Skydiving on September 10, 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.*