# Nitrox Tools vs DecoPlanner mobile

The clearest difference is review sentiment: Nitrox Tools at 88% against DecoPlanner mobile's 40%. DecoPlanner mobile's advantage is price (Free vs $5.99) and update cadence (every 2 months vs every 5 months). On ads, in-app purchases and device support there is nothing between them.

DecoPlanner mobile is free to download; Nitrox Tools costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nitrox Tools ships an update every 5 months, DecoPlanner mobile every 2 months. The most recent releases landed on September 23, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Nitrox Tools | DecoPlanner mobile |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nitrox-tools/id284919980/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **88.5% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 7 MB | 74 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [Global Underwater Explorers Inc.](https://appshunter.io/developer/1459213336) |

## 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


### DecoPlanner mobile

[App page](https://appshunter.io/ios/app/decoplanner-mobile/id1580563324)

Plan complex dive profiles using advanced decompression models. Track multiple gases, manage dive buddies, and visualize dive data with detailed graphs. Choose the version that suits your diving certification level.

**Highlights:** Open/Closed/Passive Semi-Closed Circuit planning, ZH-L16 / VPM-B decompression models, Gas tracking for multiple gases and dive buddies, Gas mixing (partial pressure & continuous blending), Dive profile and tissue compartment graphs, Diving level selection (Rec 1 to Unlimited CCR)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nitrox Tools free?

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

### Is DecoPlanner mobile free?

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

### Do Nitrox Tools or DecoPlanner mobile have ads?

Neither Nitrox Tools nor DecoPlanner mobile shows ads.

### Which is updated more often, Nitrox Tools or DecoPlanner mobile?

Nitrox Tools ships an update every 5 months, and DecoPlanner mobile every 2 months. Most recently, Nitrox Tools was updated on September 23, 2026 and DecoPlanner mobile on September 12, 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.*