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A Compass, with geographic north, true altitude, address, sunset & sunrise times
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Turn your phone into an altimeter! Get elevation even offline.
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Easy-to-use digital compass with clear day/night themes for reliable navigation.
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Check altitude wherever you are!
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Check accurate Atmospheric pressure and Altitude wherever you are!
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Turn your device into a professional barometer. Share photos
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Current and precise weather conditions (METAR) and forecasts (TAF).
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HD precise and beautiful magnetic compass. Neat and easy to use
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Exact elevation for your location and locations world wide. Plus so much more !
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Barometric & GPS based altimeters, altitude tracker, maps, widget & photography.
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US Charts from NOAA, ACoE Surveys, Marine Forecasts, Anchor Alarm and more...
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Beautiful barometer with air pressure tracker and altimeter
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3D compass with augmented reality view, Auto rotate map, Big heading degrees.
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mWater is a free data collection and visualization solution for any project.
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Sailing & Fishing Nautical charts. Marine Weather & Tides. Boat GPS & Depth Map
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Find out air quality in your neighbourhood in real-time!
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The most precise Altimeter for offline true altitude above sea level (MSL).
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Barometer for devices with or without a barometer sensor. Includes altimeter.
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Schedules and frequencies for shortwave radio throughout the world.
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A simple tool for Compass, Speed and GPS Accuracy