Deep Tools vs Barefoot Blender
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
Barefoot Blender
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Barefoot Blender is a gas blending and dive planning toolkit for trained scuba divers, technical divers, and fill station operators. Use it to plan Nitrox and Trimix fills, estimate top-off outcomes, compare gas sources, calculate fill costs, and check MOD, EAD, END, best mix, and gas density. Safety. Barefoot Blender is for trained divers and fill operators only. It is not a substitute for formal training, agency procedures, shop policy, or calibrated gas analysis. Always verify final oxygen and helium content with calibrated analyzers before diving or labeling cylinders. Incorrect gas blending can cause serious injury or death. Subscription. Barefoot Blender Pro is an annual subscription. Payment is charged through your Apple account. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in Apple account settings. Terms of Use (EULA): https://trimix-blender.com/terms/.
Screenshots
Verdict
Deep Tools and Barefoot Blender are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 Barefoot Blender sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.
Deep Tools ships an update every 6 weeks, Barefoot Blender monthly. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.
| Parameter | Deep Tools | Barefoot Blender |
|---|---|---|
| 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 | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Deep Blue d.o.o. | Jonah Kowall |
In-app purchases
Deep Tools
- Subscription Monthly$2.991 Month
- Subscription Yearly3 Days trial$17.991 Year
- Lifetime Subscription$39.99
Barefoot Blender
- Barefoot Blender Pro$4.991 Year








