# Tech Dive — Advanced Scuba Dive Tool > Advanced scuba dive planning and calculation tool with unit conversion. (iPhone/iPad app by Skytip LLC.) - Source: https://appshunter.io/ios/app/tech-dive/id6483004689 (this page in markdown: same URL + `.md`) - Developer: [Skytip LLC](https://appshunter.io/developer/1569880600) - Category: Sports, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 16 MB - Languages: American English - Released: 2025-01-29 - Data updated: 2026-08-08 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/tech-dive/id6483004689/reviews.md ## What is Tech Dive? Diving should be safe and fun. We develop Tech Dive as a simple tool to plan and calculate your next underwater adventure. Tech Dive is an advanced scuba dive calculator and supports metric and imperial units. This app continues to grow as a one-stop technical diver tool. A technical decompression (DECO) planner will be incorporated with the future PRO version. DIVE CALCULATORS Tool for accurate dive planning, education, and training. ▸ Surface Air Consumption - SAC ▸ Respiratory Minute Volume - RMV ▸ Maximum Bottom Time ▸ Gas Required ▸ Maximum Operating Depth - MOD ▸ Equivalent Air Depth - EAD ▸ Best Enriched Air-Nitrox (EAN) Mix ▸ Equivalent Narcotic Depth - END (Plus only) ▸ Trimix Gas Planner (Plus Only) ▸ Cylinder Fill (Plus only) ▸ Cylinder Top-Up (Plus only) CONVERSION TOOLS ▸ Metric / Imperial Units ▸ Absolute Depth (Atmospheric Depth) ▸ Cylinder Volume / Pressure ▸ Partial Pressure PLUS FEATURES (IN-APP PURCHASE) Tech Dive Plus includes all basic features plus: ▸ Equivalent Narcotic Depth - END Calculator ▸ Trimix Gas Planner ▸ Cylinder Fill calculations (Air, Nitrox, Trimix) ▸ Cylinder Top-Up calculations ▸ Export/share all calculation results as PDF SUBSCRIPTION TERMS Tech Dive is free to download and the basic features free to use. A paid upgrade to Plus or PRO versions provide access to premium features and additional tools. We may offer trial subscriptions that give limited time access to paid features and premium content for the duration of the trial period. Trial subscriptions automatically expire and the app will revert back to the basic version thereafter. No data is lost but access and use of premium features will no longer be available. ## Key features - Dive planning calculators - Gas and air consumption calculations - Metric and imperial unit support - Depth and EAD calculations - Enriched Air-Nitrox mix calculation - Unit conversion tools ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Plus Annual | $7.99 | per year | | Plus Monthly | $0.99 | per month | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/tech-dive/id6483004689/reviews.md ### 5/5 — 👍🏼 *2025-04-22* Exactly what I needed! **Developer response:** Thank you! We are still in the early stages of development and have many more exciting things to come. ## Frequently asked questions about Tech Dive ### What is Tech Dive? 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. ### What are the basic features of Tech Dive? 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. ### What features are included in Tech Dive Plus? 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. ### Does Tech Dive have ads? 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. ### What devices is Tech Dive available on? Tech Dive is available on iPhone and iPad devices, indicated by its support for both platforms. ### How often is Tech Dive updated? 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. ### What is the age rating for Tech Dive? Tech Dive has an age rating of 4+, making it suitable for a wide range of users interested in scuba diving. ### Can I try the premium features before buying? 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. ## Version history (last 5 releases) ### 0.8.5 — 2026-08-03 With this version we improved the layout and result display for Best EAN/Nitrox blend. The Trimix Gas Planner now displays TMX format with detailed gas fractions for advanced users. With that we continue background tweaks to prepare the DECO calculations. *** Tech Dive will continue to grow into a one-stop technical diver tool *** ### 0.8.4 — 2026-04-08 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 *** ### 0.8.3 — 2026-03-24 Continued background tweaks to prepare the DECO calculations. Based on user feedback, we fixed a series of bugs related to using decimals. Fixed: - bug fixes to support decimals for all localizations and languages *** Tech Dive will continue to grow into a one-stop technical diver tool *** ### 0.8.2 — 2026-03-10 Continued background tweaks to prepare the DECO calculations. Based on user feedback, we fixed a series of bugs related to using decimals. Fixed: - bug fixes to support decimals for all localizations and languages *** Tech Dive will continue to grow into a one-stop technical diver tool *** ### 0.8.1 — 2026-03-09 Continued background tweaks to prepare the DECO calculations. Fixed: - bug fix to support decimals in all localizations and languages *** Tech Dive will continue to grow into a one-stop technical diver tool *** ## Apps similar to Tech Dive | App | Rating | Price | Category | | --- | --- | --- | --- | | [Nitrox Buddy](https://appshunter.io/ios/app/nitrox-buddy/id572411073) | 4.9 (468) | Free | Sports | | [ScubaPlan: Diving Community](https://appshunter.io/ios/app/scubaplan-diving-community/id6689517716) | 4.5 (4) | Free | Sports | | [Subsurface-mobile](https://appshunter.io/ios/app/subsurface-mobile/id1093217161) | 4.5 (46) | Free | Sports | | [nDeco](https://appshunter.io/ios/app/ndeco/id6741527911) | 2.0 (1) | Free | Sports | | [Diveplanner Tec & Rec](https://appshunter.io/ios/app/diveplanner-tec-and-rec/id1506985833) | 3.1 (7) | Free | Sports | | [DecoPlanner mobile](https://appshunter.io/ios/app/decoplanner-mobile/id1580563324) | — | Free | Sports | ## More apps by Skytip LLC - [Celestial Nav](https://appshunter.io/ios/app/celestial-nav/id1569880598) All apps by Skytip LLC: https://appshunter.io/developer/1569880600 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-08.*