Celestial Navigator vs Mariner Studio

Celestial Navigation Calculator with - perpetual Almanac - star finder chart with animation. Use phone sensor for altitude. - calculation of lines of position ( intercept/delta ) - celestial object data - meridian passage calculation - running fix support - astronomical position calculations with two or more altitude observations - Hipparchus 150 star catalog - World chart with lines and position Program can be set to use device's sensors (gyro, compass) to position the star finder chart in real time. Capture celestial object approximate altitude. Correct Altitude with a Marine Sextant reading (not included). You still need a marine sextant to do celestial navigation, but the phone sensors may be used for training. Software for iPhone and iPad, with the same features. e-book with manual and celestial navigation tutorial.

MARITIME VOYAGE PLANNING & NAVIGATION DATA Mariner Studio brings together real-time marine data, interactive maps, intelligent route planning, and comprehensive weather forecasts—everything you need to plan safe, efficient voyages on the water. FCC & COAST GUARD EXAM PREP Study for your FCC Commercial Radio license and USCG Coast Guard exams right inside the app: • 2,257+ real FCC exam questions across all 6 elements • Practice mode with hints, timed Exam mode, and Review mode • Track progress with scores, pass rates, and per-question mastery • Flag questions and review incorrect answers with detailed explanations • 20,000+ USCG Coast Guard exam questions across 80+ categories • Covers Deck, Engine, Inland, and Navigation exam topics INTERACTIVE MARITIME MAPS Stop juggling multiple apps and websites. View tidal stations, current predictions, navigation aids, weather conditions, and marine facilities all on one interactive map with live data overlays. Tap any point of interest to see detailed information, current conditions, and forecasts. SMART ROUTE PLANNING & VOYAGE PLANNING • Create custom GPS routes with waypoints • Import and export GPX files to share with other apps • View weather forecasts along your entire route • See tidal currents for optimal timing • Plan multi-leg voyages with crew management • Save and organize your favorite routes • Access marina and dock information along your path WEATHER ROUTING Make informed decisions with detailed marine weather data: • Hourly weather forecasts for any location • Wind speed and direction predictions • Wave height and visibility conditions • Temperature and precipitation data • Save favorite weather locations • Local weather for your current position NWS TEXT FORECASTS Long press anywhere on the map to get official National Weather Service text forecasts: • Detailed narrative forecasts from NOAA/NWS • Multi-day forecast periods with conditions • Temperature, wind, and weather details • Available for all US locations TIDAL HEIGHT & CURRENT PREDICTIONS Essential data for safe navigation: • Comprehensive tidal height predictions • Tidal current forecasts with direction and strength • Historical tide data • Current predictions shown directly on the map • Favorite tidal stations for quick access • Daily high/low tide times NAVIGATION UNITS & MARINE FACILITIES Discover marinas, docks, aids to navigation, and waterfront facilities: • Complete database of navigation aids • Marina and harbor information • Dock and facility locations • Add photos and notes to locations • Mark favorites for easy return visits • Local search to find nearby facilities ICLOUD FAVORITES SYNC • Your favorite tide stations, currents, buoys, weather spots, and navigation units sync across iPhone and iPad via iCloud • Automatic — no account setup or manual backup needed PROFESSIONAL TOOLS FOR EVERYONE Whether you're a commercial mariner, charter captain, fishing guide, or recreational boater, Mariner Studio provides the real-time data and planning tools you need. No more switching between multiple apps—everything is integrated in one place. Perfect for: • Voyage planning and preparation • Real-time condition monitoring • Route optimization with weather and tides • Finding marinas and facilities • Commercial fishing operations • Charter and tour operations • Recreational cruising and sailing EXPLORE FIRST, SUBSCRIBE FOR MORE Try Mariner Studio with daily access to all features — no subscription required to get started. When you're ready for unlimited access: • Monthly: $4.99/month • Annual: $34.99/year (save 42%) — 7-day free trial • Unlimited access to all features with no daily limits • Auto-renews unless cancelled • Cancel anytime through App Store settings Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/