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Response from developer
Thank you! We are still in the early stages of development and have many more exciting things to come.

This app helps plan scuba dives with various calculators for gas, depth, and air consumption. It supports metric and imperial units and offers advanced features through an in-app purchase.
0.8.4
April 8, 2026
Continued background tweaks to prepare the DECO calculations. UI tweaks: - better title visibility - layout improvements on small screen devices *** Tech Dive will continue to grow into a one-stop technical diver tool ***
MoreAnnual Plus subscription for Tech Dive
Thank you! We are still in the early stages of development and have many more exciting things to come.
Tech Dive is an advanced scuba dive calculator designed to help users plan their underwater adventures safely and efficiently. It offers a range of tools for gas calculations, depth planning, and air consumption.
Basic features include calculators for Surface Air Consumption (SAC), Respiratory Minute Volume (RMV), Maximum Bottom Time, Gas Required, Maximum Operating Depth (MOD), Equivalent Air Depth (EAD), and Best Enriched Air-Nitrox (EAN) Mix. It also includes metric/imperial unit conversions.
Tech Dive Plus, an in-app purchase, adds Equivalent Narcotic Depth (END) calculation, Trimix Gas Planner, Cylinder Fill calculations (Air, Nitrox, Trimix), Cylinder Top-Up calculations, and the ability to export/share results as PDF.
No, Tech Dive does not contain advertisements. The app is free to download and use with basic features, with optional in-app purchases for premium functionality.
Tech Dive is available on iPhone and iPad devices, indicated by its support for both platforms.
The latest version of Tech Dive was released on April 8, 2026, indicating recent development activity. The app is actively maintained and grows with new features.
Tech Dive has an age rating of 4+, making it suitable for a wide range of users interested in scuba diving.
Yes, Tech Dive may offer trial subscriptions that provide limited-time access to paid features. These trials automatically expire, reverting the app to its basic version without data loss.