# Nitrox Tools vs Deep Tools

The clearest difference is price: Deep Tools at Free against Nitrox Tools's $5.99. Deep Tools also leads on ratings volume (93 vs 4) and update cadence (every 2 months vs every 4 months). Nitrox Tools's advantage is review sentiment (88% vs 50%) and in-app purchases (none vs 3). On ads there is nothing between them.

Deep Tools is free to download; Nitrox Tools costs $5.99 up front. Deep Tools sells 3 in-app purchases, starting at $7.99 per month. Nitrox Tools asks for nothing beyond the download.

Nitrox Tools holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Deep Tools has 93 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 88% of Nitrox Tools's written reviews are positive against 50% of Deep Tools's.

Nitrox Tools ships an update every 4 months, Deep Tools every 2 months. Both last shipped on November 13, 2026.

## The numbers

| Metric | Nitrox Tools | Deep Tools |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nitrox-tools/id284919980/reviews)** | [4.6 (93 ratings)](https://appshunter.io/ios/app/deep-tools/id1476093876/reviews) |
| Number of ratings | 4 | **93** |
| Positive reviews | **88.5% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | **Freemium** |
| Size | 7 MB | 13 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [Deep Blue d.o.o.](https://appshunter.io/developer/1476093875) |

## 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


### Deep Tools

[App page](https://appshunter.io/ios/app/deep-tools/id1476093876)

This app is a comprehensive tool for divers, offering dive planning, logging, and gas blending. It supports recreational, technical, and rebreather diving with advanced decompression planning and dive computer integration. Plan complex dives, log your adventures, and mix gases with precision.

**Highlights:** Decompression dive planning (Bühlmann ZH-L16), Dive log with Shearwater import, Nitrox and Trimix gas blending, Multiple dive calculators, Metric and imperial unit support, Multi-level and repetitive dive planning

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Monthly | $7.99 | per month |
| Subscription Yearly | $22.99 | per year |
| Lifetime Subscription | $49.99 | one-time |


## Frequently asked questions

### Is Nitrox Tools free?

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

### Is Deep Tools free?

Deep Tools is free to download, with in-app purchases available.

### Which has better reviews, Nitrox Tools or Deep Tools?

Nitrox Tools is rated higher. Nitrox Tools averages 5.0 out of 5 from 4 ratings, while Deep Tools averages 4.6 from 93 ratings.

### Do Nitrox Tools or Deep Tools have ads?

Neither Nitrox Tools nor Deep Tools shows ads.

### Which is updated more often, Nitrox Tools or Deep Tools?

Nitrox Tools ships an update every 4 months, and Deep Tools every 2 months. Most recently, Nitrox Tools was updated on November 13, 2026 and Deep Tools on November 13, 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.*