Deep Tools vs RSC Nitrox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Deep Tools
This comprehensive dive toolkit helps recreational, advanced, and technical divers plan dives, log underwater adventures, and blend gases. It offers advanced planning tools, dive computer import, and essential calculations for safe and efficient diving.
- Advanced Deco Planner
- Dive Log with Shearwater import
- Gas Blender for Trimix/Nitrox
- Maximum Operating Depth (MOD) calculator
- No Decompression Limit (NDL) tracking
- Metric and Imperial units
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The Complete Dive Toolkit Deep Tools is a must-have application for recreational, advanced, and technical divers. Whether you are learning to dive, planning complex decompression dives, or logging your underwater adventures, Deep Tools provides reliable tools you can trust. Import dives directly from your Shearwater dive computer, plan dives using the advanced Deco Planner, or use the app as a practical learning aid during your dive training. Tools included: - Maximum Operating Depth (MOD) - Oxygen Partial Pressure (ppO₂) - Equivalent Air Depth (EAD) - Equivalent Narcotic Depth (END) - Equivalent Air Density Depth (EADD) - No Decompression Limit (NDL) - Best Trimix for depth - Best Nitrox for depth - Gas consumption and density - Calculator for lifting bag Dive Log: * - Import dives from Shearwater dive computers (Petrel, Perdix, NERD, Teric, etc.) - Log dive sites with name, coordinates, and custom tags - Automatically merge dives with short surface intervals - Share logged dives with your buddies - Create local backups or migrate data to another device Advanced Dive Planner: * Plan complex dives with confidence, whether on Open Circuit (OC) or Rebreather (CCR): - Repetitive dive planning - Bühlmann ZH-L16B and ZH-L16C with Gradient Factors - Gas consumption, CNS, and OTU calculations - Visual dive profile, text plan, pressure graph, and slate view - Lost gas planning - CCR Bailout planning - Multiple point dive plan with custom bailout points - Share dive plans with friends Gas Blender: * Prepare accurate breathing gas mixtures: - Trimix and Nitrox blending - Mix to desired gas - Mix with Top-off gas - Continuous flow blending Additional Features - Metric and Imperial units - Adjustable altitude and water type (EN13319, salt, fresh) - Set your altitude - Custom tank / cylinder database * Advanced features are available with a subscription or during the free trial. Special thanks to V. Paul Gordon, Serge Nelissen and Michael Heus for extensive testing and valuable contributions! Terms of Service: http://www.deepblue.si/privacy/terms-of-service.php
RSC Nitrox
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RSC Nitrox is a fast, focused enriched-air (Nitrox) dive planner for iPhone and Apple Watch. Dial in your mix and depth and get the four numbers that matter - instantly, offline, in a clean underwater interface. CALCULATORS • MOD - Maximum Operating Depth for any EANx mix • Best Mix - the richest usable mix for a target depth • EAD - Equivalent Air Depth for a mix at depth • PPO₂ - partial pressure of oxygen, with a clear safe / caution flag BUILT FOR DIVERS • Fully offline - no account, no ads, no tracking • Metric or imperial, salt or fresh water • Adjustable max PPO₂ (1.2–1.6) and max O₂ content • Live results as you drag - or spin the Apple Watch Digital Crown • Seven languages: English, Deutsch, Français, Italiano, Español, Українська, Русский APPLE WATCH Plan on the reef without your phone - the independent watch app carries every calculator on your wrist. Accuracy cannot be guaranteed. Always confirm your mix with an analyzer before entering the water and dive within your training and limits. © Red Sea Creatures
Screenshots
Verdict
The clearest difference is iOS requirement: Deep Tools at 15.6 against RSC Nitrox's 17.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Deep Tools sells 3 in-app purchases, starting at $2.99 per month and RSC Nitrox sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | Deep Tools | RSC Nitrox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (93 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 93 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 12 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Deep Blue d.o.o. | Yevgen Sukharenko |
In-app purchases
Deep Tools
- Subscription Monthly$2.991 Month
- Subscription Yearly3 Days trial$17.991 Year
- Lifetime Subscription$39.99
RSC Nitrox
- Reef Snack$0.99
- Air Fill$2.99
- Dive Buddy$4.99









