# Trimix Tools vs Gas*Blender

The clearest difference is price: Gas*Blender at $2.99 against Trimix Tools's $6.99. Trimix Tools's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 26.0). On update cadence, ads and in-app purchases there is nothing between them.

Trimix Tools costs $6.99 and Gas*Blender $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trimix Tools ships an update every 5 months, Gas*Blender every 3 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Trimix Tools | Gas*Blender |
| --- | --- | --- |
| Price | $6.99 | **$2.99** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/trimix-tools/id289220808/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 6 MB | 4 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [Martin Schyth](https://appshunter.io/developer/496853774) |

## What reviewers say

### Trimix Tools

[App page](https://appshunter.io/ios/app/trimix-tools/id289220808)

This app provides essential tools for divers to plan and blend Trimix gases. It calculates optimal mixes based on depth, oxygen partial pressure, and equivalent narcotic depth, and supports various cylinder filling scenarios. Calculations are available offline and can be customized with saved settings.

**Highlights:** Trimix blending and planning, Depth and partial pressure calculations, Equivalent Narcotic Depth (END) calculation, Saltwater and freshwater support, Cylinder filling and bleed down calculations, Metric and Imperial system support, Offline functionality, Saved settings and custom mixes

**Features:** Vision Pro support

**In-app purchases:** none


### Gas*Blender

[App page](https://appshunter.io/ios/app/gasblender/id496853771)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Trimix Tools free?

Trimix Tools costs $6.99, with no in-app purchases.

### Is Gas*Blender free?

Gas*Blender costs $2.99, with no in-app purchases.

### Do Trimix Tools or Gas*Blender have ads?

Neither Trimix Tools nor Gas*Blender shows ads.

### Which is updated more often, Trimix Tools or Gas*Blender?

Trimix Tools ships an update every 5 months, and Gas*Blender every 3 months. Most recently, Trimix Tools was updated on October 14, 2026 and Gas*Blender on October 3, 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.*