# Nitrox Tools vs Trimix MOD

The clearest difference is price: Trimix MOD at Free against Nitrox Tools's $5.99. Trimix MOD also leads on update cadence (every 2 days vs every 5 months) and iOS requirement (8.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Trimix MOD is free to download; Nitrox Tools costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nitrox Tools ships an update every 5 months, Trimix MOD every 2 days. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Nitrox Tools | Trimix MOD |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nitrox-tools/id284919980/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 88.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 7 MB | 36 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [Sam Educational](https://appshunter.io/developer/496387512) |

## What reviewers say

### Nitrox Tools

[App page](https://appshunter.io/ios/app/nitrox-tools/id284919980)

This app provides essential tools for divers to plan and blend enriched air nitrox. It calculates dive parameters like equivalent air depth and maximum operating depth, and supports various blending methods for custom gas mixes. Easily switch between metric and imperial units and save custom settings for frequent use.

**Highlights:** Enriched air nitrox blending, Dive planning calculations, Equivalent Air Depth (EAD), Partial Pressure of Oxygen (PPO2), Maximum Operating Depth (MOD), Save custom mixes and settings, Metric/Imperial unit switching

**Features:** Vision Pro support

**In-app purchases:** none


### Trimix MOD

[App page](https://appshunter.io/ios/app/trimix-mod/id1595424283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nitrox Tools free?

Nitrox Tools costs $5.99, with no in-app purchases.

### Is Trimix MOD free?

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

### Do Nitrox Tools or Trimix MOD have ads?

Neither Nitrox Tools nor Trimix MOD shows ads.

### Which is updated more often, Nitrox Tools or Trimix MOD?

Nitrox Tools ships an update every 5 months, and Trimix MOD every 2 days. Most recently, Nitrox Tools was updated on October 13, 2026 and Trimix MOD on October 4, 2026.

---

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