ZDive vs TurkeyScuba

ZDive transforms your Apple Watch into a smart dive companion with comprehensive iOS analytics. Whether you're snorkeling in tropical waters or logging recreational scuba dives, ZDive provides the tools you need for safe and memorable underwater adventures. APPLE WATCH — YOUR DIVE COMPANION Real-time dive tracking with automatic water submersion detection on Apple Watch Ultra (manual controls on other models) Rich sensor integration: depth, temperature, heart rate, compass, ambient pressure Scuba and snorkeling modes with Digital Crown navigation Industry-standard Bühlmann ZH-L16C decompression algorithm — the same model used by leading dive computers Real-time NDL calculations and safety stop monitoring Dive simulation mode: practice with realistic training scenarios Crash-safe recording: in-progress dives are checkpointed and automatically recovered GPS route tracking with breadcrumb trails Altitude diving support with automatic calibration Note: due to Apple's current API restrictions, live depth readings on Apple Watch are limited to about 6 meters. Deeper dives recorded with Apple's Depth app can be imported via HealthKit for full analysis. iOS APP — ADVANCED ANALYTICS & PLANNING Beautiful dive trends dashboard with period comparisons and personal records Interactive dive profile charts and sensor data visualization Diver profile with certifications and emergency contacts Import historical dives from Apple Health — duplicates are detected automatically Export dives in JSON and UDDF formats for other dive log software COMPREHENSIVE DIVE PLANNING SUITE Multi-Day Trip Planner with surface interval calculations Gas Planning Calculator: SAC rates, Nitrox optimizer, and a Trimix reference calculator Equipment Packing Lists with pre-built templates No-Decompression Planner with altitude compensation Interactive Decompression Tables: Bühlmann and PADI RDP PROFESSIONAL BREATHING TRAINER 10 breathing techniques: box breathing, 4-7-8, diaphragmatic Freediving-specific CO2 and O2 tolerance tables Wim Hof Method and tactical breathing patterns LIVE ACTIVITIES & WIDGETS Real-time tissue loading on Lock Screen and Dynamic Island No-fly time countdowns with maximum altitude restrictions Surface interval tracking between dives SAFETY & RELIABILITY 16-compartment tissue tracking with 6 conservatism levels Configurable safety stops (3–6 m depth, 3–7 minutes) Ascent rate monitoring with visual and haptic warnings Sensor data validation to filter spikes and false readings Automatic CloudKit backup and sync across devices Offline functionality with background synchronization SEAMLESS DATA MANAGEMENT Fast Watch-to-iPhone sync with optimized compression HealthKit integration for comprehensive health tracking Manual and automatic sync options with bulk import/export Try it instantly with a built-in demo dive — no gear required MULTI-LANGUAGE SUPPORT Available in English, Turkish, Chinese (Simplified), Russian, Spanish, Portuguese, Japanese, Arabic, French, Hindi, Bengali SUPPORTED DEVICES Apple Watch running watchOS 10.6 or later (Series 6 and later, SE, and Ultra) Apple Watch Ultra recommended: automatic submersion detection and enhanced diving sensors iPhone with iOS 17.6 or later, full iPad support for planning and analysis ZDive is free to use and supported by ads. Whether you're exploring coral reefs on a snorkel or logging recreational scuba dives, ZDive provides professional-grade planning and analysis tools in an intuitive interface. Note: ZDive is intended for recreational use as a dive companion and tracker, not as a certified dive computer. Always dive with certified diving equipment and follow proper safety protocols. Never rely solely on consumer devices for critical diving decisions. Join ZDive to enhance your underwater adventures. Dive deeper, plan smarter, and explore safely with ZDive.

TurkeyScuba brings dive sites, dive centers and your dive logbook together in one app for anyone planning to dive in Turkey. Explore more than 150 dive sites and more than 240 dive centers on the map, log your dives and stay in touch with other divers. Explore the map • See dive sites and dive centers on the same map and search it. • Turn on depth map, depth contour and sea mark layers. • Use the compass; your location stays on your device. Get to know a dive site • Maximum and average depth, visibility, current, water temperature and the best months to dive. • Marine life seen at the site, weather and sea conditions, photos, ratings and comments. • Get directions to the site. Explore dive centers • Browse a center's profile, instructors, courses, boats, services, documents and dive sites. • Contact the center directly by phone, email or website. • Courses and dives are offered by the centers themselves. TurkeyScuba connects you with dive centers. Keep your logbook • Log dives with depth, time, conditions, gas and cylinder, equipment and notes. • Add your dive buddies; confirm dives shared with you and add them to your logbook. • Follow your dive history with statistics. • Log dives without a connection; they sync once you are back online. • Keep your certifications and equipment in your profile. Share with the community • Share dive photos and stories, like and comment. • Follow divers, dive sites and dive centers. • Send direct messages and photos to other divers. • Suggest a new dive site. Tools • Underwater photo editor: fix colors with presets or manual controls; editing happens on your phone. • Air calculations: estimate the air you need and your no-decompression time for a dive plan. For planning only. • Blog posts and resources on diving organizations, notable figures, a diving glossary and equipment brands. Your way • Turkish, English, German and Russian. • Light, dark or system theme; meters/feet, bar/psi, °C/°F and kg/lb units. • Choose your notifications, who can see your profile and who can message you. • Protect your account with two-factor authentication and download a copy of your data. • Report users and content, block users and delete your account from within the app.