4divers

Log the dive, not just the data. Welcome to 4divers, the beautiful, fast, and intuitive digital logbook designed for scuba divers who want a seamless way to record their underwater stories. Whether you are a recreational beginner, a technical deep diver tracking complex gas mixes, a professional Divemaster, or a passionate freediver—4divers replaces clunky paper logs and rigid spreadsheets with a stunning, streamlined experience. Best of all, we are completely agency-agnostic, meaning your history belongs to you, not a single training organization. Key Features Built For Divers: The Ultimate Dive Logbook (Core Experience) - 60-Second Logging: Built for quick, one-handed use while at a dive site or on a liveaboard. Open the app and log a dive instantly. - Deep Data Tracking: Record dive site, date, depth, duration, water temperature, visibility, entry/water type, gear setups, weights, cylinders, gas mixes (Air/Nitrox), and personal notes. - At-a-Glance Dive Cards: Review past dives instantly with clean, intuitive visual chips showcasing key metrics. - Lifetime Stats Dashboard: Track your total dive count, cumulative hours underwater, and maximum depth ever achieved. Smart Certification Manager - Instant Auto-Import: Search and import your verified PADI, SSI, or SDI/TDI certifications by name. - Digital Cert Wallet: Display your cards in a beautiful UI featuring official agency logos and immersive underwater designs. - Manual Backups: Upload photos of physical cards from any agency worldwide (NAUI, CMAS, etc.) so you always have proof of training. - All Levels Welcome: Full support from Open Water up to Instructor, Technical, and Freediver specialties. Buddies & Social Layer - Log Your Crew: Tag exactly who you dived with on every single entry. - Shared History: See a running tally of how many total dives you’ve completed with each buddy over time. - Frictionless Connection: Add friends instantly using personal QR codes or quick invite links via WhatsApp and SMS. Dive Site & Center Discovery - Global Search: Browse thousands of worldwide dive sites by name, city, or country. - Smart Filters: Filter locations by experience level, marine life, and geography, or use the "Been Here" filter for spots you've already logged. - Find Local Shops: Locate nearby PADI 5-Star facilities, SSI centers, or independent operators sourced from global directories. Why Choose 4divers? - Agency Agnostic: We proudly support all divers, regardless of where or how you certified. - Frictionless Onboarding: Sign in instantly with Google—no separate passwords to memorize. - Custom Preferences: Toggle between metric and imperial units, and customize exactly which fields appear on your log forms. - Privacy First: Your location and profile data are protected. No data sold, no cross-app tracking.