# Nitrox Tools vs Easy Deco

The clearest difference is price: Easy Deco at Free against Nitrox Tools's $5.99. Easy Deco also leads on update cadence (every 2 months vs every 5 months) and review sentiment (100% vs 88%). Nitrox Tools's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 3). On ratings volume, ads and iOS requirement there is nothing between them.

Easy Deco is free to download; Nitrox Tools costs $5.99 up front. Easy Deco sells 3 in-app purchases, starting at $1.99 per month. Nitrox Tools asks for nothing beyond the download.

Nitrox Tools holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 88% of Nitrox Tools's written reviews are positive against 100% of Easy Deco's, so the app with the better star average is not the one people write more warmly about.

Nitrox Tools ships an update every 5 months, Easy Deco every 2 months. The most recent releases landed on September 23, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | Nitrox Tools | Easy Deco |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nitrox-tools/id284919980/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/easy-deco/id1561538676/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 88.5% 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 | 7 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

### Nitrox Tools

[App page](https://appshunter.io/ios/app/nitrox-tools/id284919980)

This app provides essential tools for divers to plan and blend enriched air nitrox. It calculates dive parameters like equivalent air depth and maximum operating depth, and supports various blending methods for custom gas mixes. Easily switch between metric and imperial units and save custom settings for frequent use.

**Highlights:** Enriched air nitrox blending, Dive planning calculations, Equivalent Air Depth (EAD), Partial Pressure of Oxygen (PPO2), Maximum Operating Depth (MOD), Save custom mixes and settings, Metric/Imperial unit switching

**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 Nitrox Tools free?

Nitrox Tools costs $5.99, with no in-app purchases.

### Is Easy Deco free?

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

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

Nitrox Tools is rated higher. Nitrox Tools averages 5.0 out of 5 from 4 ratings, while Easy Deco averages 3.0 from 2 ratings.

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

Neither Nitrox Tools nor Easy Deco shows ads.

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

Nitrox Tools ships an update every 5 months, and Easy Deco every 2 months. Most recently, Nitrox Tools was updated on September 23, 2026 and Easy Deco on June 7, 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.*