# Trimix Tools vs Gas Blender Toolkit

The clearest difference is rating: Trimix Tools at 5.0 against Gas Blender Toolkit's 3.0. Trimix Tools also leads on review sentiment (100% vs 60%) and chart position (#99 vs unranked). Gas Blender Toolkit's advantage is update cadence (every 9 days vs every 4 months) and price ($2.99 vs $6.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

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

Trimix Tools holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 100% of Trimix Tools's written reviews are positive against 60% of Gas Blender Toolkit's.

Trimix Tools ships an update every 4 months, Gas Blender Toolkit every 9 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Trimix Tools | Gas Blender Toolkit |
| --- | --- | --- |
| Price | $6.99 | **$2.99** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/trimix-tools/id289220808/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/gas-blender-toolkit/id1467768490/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#99** | — |
| Size | 6 MB | 3 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [Oleg Gurevich](https://appshunter.io/developer/1467768489) |

## What reviewers say

### Trimix Tools

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

**Currently charting:** #99 Top Paid · Sports (US App Store)

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 Toolkit

[App page](https://appshunter.io/ios/app/gas-blender-toolkit/id1467768490)

This comprehensive toolkit assists scuba divers in calculating and blending various gas mixtures like trimix, nitrox, and heliox. It offers features for both partial pressure and continuous blending, cost calculation, and utilizes ideal and real gas models for accuracy. Optimized for larger screens, it serves as a successor to a previous diving application.

**Highlights:** Partial pressure blending, Continuous blending, Trimix, nitrox, heliox calculations, Ideal and real gas models, Cost calculation, Top off from storage

**Features:** macOS Compatibility, 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 Toolkit free?

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

### Which has better reviews, Trimix Tools or Gas Blender Toolkit?

Trimix Tools is rated higher. Trimix Tools averages 5.0 out of 5 from 5 ratings, while Gas Blender Toolkit averages 3.0 from 2 ratings.

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

Neither Trimix Tools nor Gas Blender Toolkit shows ads.

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

Trimix Tools ships an update every 4 months, and Gas Blender Toolkit every 9 days. Most recently, Trimix Tools was updated on October 31, 2026 and Gas Blender Toolkit on October 29, 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.*