# Trimix Tools vs Easy Deco

The clearest difference is price: Easy Deco at Free against Trimix Tools's $6.99. Easy Deco also leads on update cadence (every 2 months vs every 5 months). Trimix Tools's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 3). On review sentiment, ratings volume, ads and iOS requirement there is nothing between them.

Easy Deco is free to download; Trimix Tools costs $6.99 up front. Easy Deco sells 3 in-app purchases, starting at $1.99 per month. Trimix Tools asks for nothing beyond the download.

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 split almost evenly too, at 100% and 100% positive.

Trimix Tools ships an update every 5 months, Easy Deco every 2 months. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Trimix Tools | Easy Deco |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/trimix-tools/id289220808/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/easy-deco/id1561538676/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 3 MB |
| Requires iOS | **15.6** | 16.3 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [Millennium Ltd](https://appshunter.io/developer/348691313) |

## 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


### Easy Deco

[App page](https://appshunter.io/ios/app/easy-deco/id1561538676)

This app assists technical divers in planning dives for open circuit and closed circuit systems. It allows for easy setup of various gas mixes and cylinders, providing insights into their effects and requirements. The app warns users about critical factors like PPO2, ICD, and gas density.

**Highlights:** Open circuit and closed circuit dive planning, Customizable gas and cylinder setups, Real-time gas requirement calculations, Warnings for PPO2, ICD, and gas density, Supports multiple common gas mixes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $9.99 | per year |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Trimix Tools free?

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

### Is Easy Deco free?

Easy Deco is free to download, with in-app purchases available.

### Which has better reviews, Trimix Tools or Easy Deco?

Trimix Tools is rated higher. Trimix Tools averages 5.0 out of 5 from 5 ratings, while Easy Deco averages 3.0 from 2 ratings.

### Do Trimix Tools or Easy Deco have ads?

Neither Trimix Tools nor Easy Deco shows ads.

### Which is updated more often, Trimix Tools or Easy Deco?

Trimix Tools ships an update every 5 months, and Easy Deco every 2 months. Most recently, Trimix Tools was updated on September 10, 2026 and Easy Deco on September 25, 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.*