Tech Dive vs Active Log

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.

Active Log is an all-in-one app for scuba diving, technical diving, freediving, swimming and conditioning. Log and analyse your dives, import dives from supported dive computers, plan recreational and technical dives, train for freediving, create swimming workouts and improve your strength, endurance and conditioning. Whether you're a recreational diver, technical diver, freediver or swimmer, Active Log brings your activities, training and progress together in one place. DIVE LOGBOOK • Log recreational and technical scuba dives • Add dive details, locations, buddies, equipment, notes and photos • View your dive history and statistics • Track your progress and personal records • Store certifications, insurance, medical documents and assessments • Keep your diving information organised in one place DIVE COMPUTER & IMPORT Download dives directly from supported dive computers, including Shearwater, Suunto, Scubapro, Apeks and more. Import existing dive data from supported formats such as Subsurface/SSRF and FIT, or export and import dives in JSON format. Spend less time entering dive information manually and more time exploring your dives. DIVE PLANNER Plan your next dive before entering the water. Create recreational dive plans and review your dive profile, depth, time, gas requirements, decompression and expected run time. Keep your dive plans together with your dive logbook so you can plan, dive and review in one app. TECHDIVE Advanced planning and calculation tools for trained technical divers: • Decompression and multi-gas dive planning • Gas requirements and reserves • Gas Analyzer • Nitrox and Trimix blending • Recommended Gas Mix and Top-up Tank • MOD, EAD, END and PPO₂ calculations Active Log gives technical divers practical tools for preparing and analysing more complex dives. FREEDIVING Freediving is more than holding your breath. Train your breath, body and mind with: • CO₂ and O₂ tables • Custom apnea training • Dry training • Stretching and mobility • Mindset and mental preparation • Training history and progress tracking Build your freediving training around breathing, relaxation, physical preparation and mental performance. SWIMMING Train smarter in the pool or open water. • Create structured swimming workouts • Organise workouts into warm-up, main sets, drills, recovery and cooldown • Train freestyle, backstroke, breaststroke, butterfly and more • Track distance, sets, intensity and rest • Record your swims • Follow your swimming progress over time Whether you're swimming for fitness, technique or performance, Active Log helps you structure your training and keep improving. CONDITIONING Improve the fitness that supports your diving, freediving and swimming. Create conditioning workouts focused on: • Strength • Endurance • Mobility • General fitness Combine water training with physical conditioning to become stronger, fitter and better prepared for your activities. TRACK YOUR PROGRESS Active Log brings your diving, freediving, swimming and training history together so you can follow your performance, statistics, goals and personal progress over time. YOUR ACTIVITIES, ANYWHERE Active Log works offline, so important information remains available at the dive site, on the boat, at the pool or while travelling. Your data can also be securely stored in the cloud and accessed across multiple devices. DIVE. FREEDIVE. SWIM. TRAIN. Log your adventures. Plan what comes next. Train with purpose. Track your progress. Active Log — your water sports, one app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/