# Trimix Tools vs SUEX Calypso

The clearest difference is review sentiment: Trimix Tools at 100% against SUEX Calypso's 0%. SUEX Calypso's advantage is price (Free vs $6.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

SUEX Calypso 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, SUEX Calypso every 3 months. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Trimix Tools | SUEX Calypso |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 57 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [SUEX SRL](https://appshunter.io/developer/1478705851) |

## 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


### SUEX Calypso

[App page](https://appshunter.io/ios/app/suex-calypso/id1478705852)

Connect with your diving equipment to access essential data before and after dives. Monitor equipment performance and configure parameters for a more enjoyable underwater experience.

**Highlights:** Connect with diving equipment, Instant access to dive data, Monitor equipment performance, Configure dive parameters, Enhance diving adventures

**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 SUEX Calypso free?

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

### Do Trimix Tools or SUEX Calypso have ads?

Neither Trimix Tools nor SUEX Calypso shows ads.

### Which is updated more often, Trimix Tools or SUEX Calypso?

Trimix Tools ships an update every 4 months, and SUEX Calypso every 3 months. Most recently, Trimix Tools was updated on October 31, 2026 and SUEX Calypso on November 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.*