# Nitrox Virtual Analyzer vs krakentools

The clearest difference is in-app purchases: Nitrox Virtual Analyzer at none against krakentools's 3. Nitrox Virtual Analyzer also leads on iOS requirement (13.0 vs 15.0). krakentools's advantage is update cadence (every 8 days vs every 24 months). On price, ads and device support there is nothing between them.

Both are free to download. krakentools sells 3 in-app purchases, starting at $3.99 per month. Nitrox Virtual Analyzer asks for nothing beyond the download.

Nitrox Virtual Analyzer ships an update every 24 months, krakentools every 8 days. The most recent releases landed on September 26, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Nitrox Virtual Analyzer | krakentools |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 8 days** |
| Monetization | — | Free |
| Size | 6 MB | 140 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Costello](https://appshunter.io/developer/1504868572) | [Arndt Kemper](https://appshunter.io/developer/1892010136) |

## What reviewers say

### Nitrox Virtual Analyzer

[App page](https://appshunter.io/ios/app/nitrox-virtual-analyzer/id1505174941)

**Features:** macOS Compatibility

**In-app purchases:** none


### krakentools

[App page](https://appshunter.io/ios/app/krakentools-tecrec-tools/id6761906896)

This comprehensive dive toolbox offers planning and safety features for recreational, Nitrox, TEC, and CCR divers. It includes a digital logbook with Bluetooth connectivity for various dive computers, extensive import/export options, and tools for underwater media editing.

**Highlights:** Dive planner for various dive types, Decompression planner with Bühlmann ZH-L16C, Gas planning and analysis tools, Digital logbook with Bluetooth sync, Import/export dive data, Underwater photo/video color correction, CCR-specific dive tools

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KrakenTools Pro - Monthly | $3.99 | per month |
| KrakenTools Pro - Yearly | $44.99 | per year |
| KrakenTools Pro Version | $49.99 | one-time |


## Frequently asked questions

### Is Nitrox Virtual Analyzer free?

Nitrox Virtual Analyzer is free to download, with no in-app purchases.

### Is krakentools free?

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

### Do Nitrox Virtual Analyzer or krakentools have ads?

Neither Nitrox Virtual Analyzer nor krakentools shows ads.

### Which is updated more often, Nitrox Virtual Analyzer or krakentools?

Nitrox Virtual Analyzer ships an update every 24 months, and krakentools every 8 days. Most recently, Nitrox Virtual Analyzer was updated on September 26, 2026 and krakentools on September 29, 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.*