# Trimix Tools vs Boyle

The clearest difference is price: Boyle at Free against Trimix Tools's $6.99. Trimix Tools's advantage is chart position (#99 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Boyle is free to download; Trimix Tools costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trimix Tools ships an update every 4 months, Boyle every 6 months. The most recent releases landed on October 31, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Trimix Tools | Boyle |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| 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 4 months** | Every 6 months |
| Monetization | Paid | — |
| Best chart rank | **#99** | — |
| Size | 6 MB | 8 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) | [Andreas Horvath](https://appshunter.io/developer/1484572340) |

## 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


### Boyle

[App page](https://appshunter.io/ios/app/boyle-mariotte/id1493832992)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trimix Tools free?

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

### Is Boyle free?

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

### Do Trimix Tools or Boyle have ads?

Neither Trimix Tools nor Boyle shows ads.

### Which is updated more often, Trimix Tools or Boyle?

Trimix Tools ships an update every 4 months, and Boyle every 6 months. Most recently, Trimix Tools was updated on October 31, 2026 and Boyle on October 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.*