# Nitrox Tools vs iDeco Pro

The clearest difference is rating: Nitrox Tools at 5.0 against iDeco Pro's 3.9. Nitrox Tools also leads on review sentiment (88% vs 52%) and update cadence (every 5 months vs every 18 months). iDeco Pro's advantage is chart position (#68 vs unranked) and iOS requirement (7.0 vs 15.6). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Nitrox Tools costs $5.99 and iDeco Pro $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nitrox Tools holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews point the same way: 88% of Nitrox Tools's written reviews are positive against 52% of iDeco Pro's.

Nitrox Tools ships an update every 5 months, iDeco Pro every 18 months. Both last shipped on September 23, 2026.

## The numbers

| Metric | Nitrox Tools | iDeco Pro |
| --- | --- | --- |
| Price | **$5.99** | $8.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nitrox-tools/id284919980/reviews)** | [3.9 (10 ratings)](https://appshunter.io/ios/app/ideco-pro/id329772936/reviews) |
| Number of ratings | 4 | **10** |
| Positive reviews | **88.5% of reviews** | 52.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 18 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#68** |
| Size | 7 MB | 3 MB |
| Requires iOS | 15.6 | **7.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [B2 Prototech LLC](https://appshunter.io/developer/1575972363) |

## 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


### iDeco Pro

[App page](https://appshunter.io/ios/app/ideco-pro/id329772936)

**Currently charting:** #68 Top Paid · Sports (US App Store)

This app is a comprehensive dive planner for technical divers, supporting both open circuit and closed-circuit rebreather (CCR) diving. It calculates decompression stops, gas usage, CNS and OTU exposure, and surface intervals. The app also includes a gas mixer for planning custom gas blends.

**Highlights:** Open Circuit and CCR dive planning, Decompression stop calculation, Gas usage and CNS/OTU tracking, Surface interval tracking, Gas fill/mixer functionality, Bailout planning for overhead environments, Configurable settings within the app

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Nitrox Tools free?

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

### Is iDeco Pro free?

iDeco Pro costs $8.99, with no in-app purchases.

### Which has better reviews, Nitrox Tools or iDeco Pro?

Nitrox Tools is rated higher. Nitrox Tools averages 5.0 out of 5 from 4 ratings, while iDeco Pro averages 3.9 from 10 ratings.

### Do Nitrox Tools or iDeco Pro have ads?

Neither Nitrox Tools nor iDeco Pro shows ads.

### Which is updated more often, Nitrox Tools or iDeco Pro?

Nitrox Tools ships an update every 5 months, and iDeco Pro every 18 months. Most recently, Nitrox Tools was updated on September 23, 2026 and iDeco Pro on September 23, 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.*