BlueDive vs BlendJunk

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 - Bluetooth sync with dive computers from 20+ brands via libdivecomputer, including Shearwater, Suunto, Scubapro, Mares, and Aqualung — smart fingerprinting avoids duplicate downloads, with quick reconnect to known computers and automatic clock sync - Import from MacDive, Subsurface, Garmin FIT, UDDF, and BlueDive XML — 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 - Manual dive entry, with notes you can format in Markdown - Detailed dive profiles: depth, temperature, tank pressure, NDL, PPO2, decompression stops, and ceiling - GF99 and Surface GF along the profile (calculated by BlueDive, not a substitute for your dive computer), plus CCR setpoints and bailouts - Dive time to the second, as recorded by your dive computer - Each dive keeps its original units and is shown in yours - Interactive map of all your dive sites, and GPS coordinates filled in from your current location - Dive Trips — automatically grouped by the time between dives, with photo covers and trip stats - Statistics dashboard with lifetime totals, personal bests, a 12-month trends chart, and CSV export - Dive calendar heatmap - Marine life sightings with a species catalogue linked to iNaturalist - Dive photos automatically matched to the right dive, and usable as species pictures - Powerful search and filters — find dives by site, buddy, country, or tag; filter by year, country, dive type, tag, buddy, gas type, depth, rating, and marine life, including or excluding any choice - Multiple divers in one logbook - Gear management with service tracking and gear groups — add a gear group, or another dive's gear, to a dive in one step - Tank templates for quick gas configuration - Certifications and diving insurance in one place - Optional online weather from Open-Meteo - iCloud sync across iPhone, iPad, and Mac - Database backup - Widgets for the Home Screen and Mac desktop - Smart reminders for gear service, certification and insurance expiry, and dive milestones - Light and Dark mode with manual override - Available in English, French (Canada), German, Dutch, Norwegian Bokmål, and Spanish, with an in-app language choice Designed by passionate divers.

BlendJunk is the gas blending app for technical divers and fill stations. Connect your oxygen analyzer wirelessly via Bluetooth and let the app do the rest. ANALYZE Connect your OxyJunk, Divesoft or DNA analyzer via BLE. The app instantly shows your O₂ and He values and automatically calculates the MOD based on your ppO₂ limit. BLEND Enter your start and target pressure, choose your target mix and BlendJunk calculates exactly how much of each gas to add. Including fill order and top-up gas selection. PRINT Print a professional cylinder label with all gas data directly to your Brother label printer. Scan a cylinder with NFC or QR and the cylinder ID appears automatically on your label. WIRELESS Connect your wireless pressure sensor (WLB-PT) to automatically read cylinder pressure. No more manual input needed. FLEXIBLE No analyzer at hand? Enter your values manually and use BlendJunk as a standalone blend calculator. Features: • Bluetooth connection with OxyJunk, Divesoft and DNA analyzers • Trimix, Nitrox and Heliox support • Automatic MOD calculation • Gas blend calculator with fill steps • NFC and QR cylinder identification • Direct label printing via Brother QL-1110NWB - QL710W • WLB-PT wireless pressure sensor support • Works offline, no account needed Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/