BlueDive vs Reef

BlueDive lets you record, organize, and relive every dive — on iPhone, iPad, and Mac. No account required. No data collected. Your logbook, your data. Key Features - Interactive map of all your dive sites - Dive Trips — automatically grouped by the time between dives, with photo covers and trip stats - Statistics dashboard with lifetime totals and personal bests - Dive calendar heatmap - Marine life sightings with a species catalogue linked to iNaturalist - Dive photos automatically matched to the right dive - Bluetooth sync with dive computers from 20+ brands via libdivecomputer, including Shearwater, Suunto, Scubapro, Mares, and Aqualung. Smart fingerprinting avoids duplicate downloads, quick reconnect to known computers, and automatic clock sync - Powerful search and filters — find dives by site, buddy, country, or tag; filter by year, depth, gas type, rating, country, dive type, tags, and marine life - Manual dive entry - Multiple divers in one logbook - Import from MacDive, BlueDive XML, Subsurface, Garmin FIT, and UDDF — format auto-detected, gear imported alongside dives - Export a dive as PDF, BlueDive XML, or UDDF; export your whole logbook as BlueDive XML or UDDF - Detailed dive profiles: depth, temperature, tank pressure, NDL, PPO2, decompression stops and ceiling - Optional online weather from Open-Meteo - Gear management with service tracking and gear groups - Tank templates for quick gas configuration - Certifications and diving insurance in one place - iCloud sync across iPhone, iPad, and Mac - Database backup - Each dive keeps its original units and is shown in yours - Light and Dark mode with manual override - Widgets for the Home Screen and Mac desktop - Smart reminders for gear service, certification and insurance expiry, and dive milestones - Available in English, French (Canada), German, and Dutch, with an in-app language choice Designed by passionate divers.

Every dive deserves a beautiful record. Reef is the simplest, cleanest scuba diving logbook for iOS — built for recreational divers who want their dive history to look as good as it felt underwater. LOG YOUR DIVES Depth, duration, water temp, visibility, air consumption, tank pressure, dive site and notes. Tap in at the surface while it's fresh. Works fully offline on liveaboards and remote reefs. TRACK YOUR STATS Total dives, deepest dive, longest bottom time and top dive sites by count. Watch your logbook grow with every trip. ATTACH PHOTOS Turn each dive entry into a visual story. Add photos straight from your camera roll to any log entry. DIVE BUDDY Log who you dived with. Build your buddy history across every trip and location. DIVE SITES & MAP Pin exactly where you dived on a map. Open your dive map anytime to see every logged site across the world — your personal underwater atlas. GEAR LOCKER Store all your dive equipment in one place. Track service intervals by dive count and time — Reef tells you when your BCD, regulator, wetsuit or mask is due for a service before it becomes a problem. CERTIFICATIONS Store all your dive certifications in one place. See at a glance which are valid, expiring soon or expired — always ready to show at the dive centre. No social network. No subscription required to log dives. Just a beautiful, private logbook — always in your pocket. Compatible with PADI, SSI, NAUI, CMAS and all major certification agencies. Terms of Use (EULA): https://reeflogbook.app/terms