Showing 401–420 of 1,000 ranked alternatives.
Frank Reed
Compare celestial altitudes and track live data
Compare observed celestial altitudes with live calculated values for precise navigation. Tap to pause and receive instant feedback. Access data for the Sun, Moon, Venus, Mars, Jupiter, Saturn, 57 navigational stars, and Polaris.
Alexander Wing
Track UV levels and weather data
Get real-time UV levels based on current location. View hourly UV forecasts and search for any location. Receive customized sun safety advice based on skin type. Track UV data and learn about sun protection measures. Share UV information with others.
Joe Steigerwald
Check conditions with weather data
Check current temperature, humidity, dewpoint, wetbulb temperature, wind speed, and pressure. View hourly forecasts. Adjust units to metric. Add and monitor personal weather station data to assess conditions.
Tran Thi Viet
Track and conditions
Monitor current conditions with real-time and satellite imagery. Check detailed forecasts for specific locations. Track temperature, precipitation, wind speed, and humidity. Receive alerts for severe . Share data with others.
Danny Goodman
Worldwide earthquake activity at a glance.
The app retrieves earthquake information from official USGS sources, showing microquake activity as low as magnitude 1.0 in most U.S. regions.
Environmental Protection Agency
Access weather data and alerts on
Water utility operators can access location-based weather data and severe weather alerts from NOAA. They can locate and contact partners. The allows recording responses to cybersecurity incidents, droughts, earthquakes, and other emergencies.
Alex Gugel
Download and guides for parks
Plan trips by downloading , park brochures, and newspapers. Explore 50+ national parks, 300+ trails, and 12,000+ points of interest. Access 20+ folded from various agencies. Find 20+ campgrounds and campsites.
E-Government National Centre
Check weather forecasts and reports
View current and forecasted weather for Darussalam. Access local area reports and warnings. Receive automatic notifications for weather updates. Switch between Malay and English language. Share weather forecasts with others.
Oleksandr Kondenko
Track tides and weather forecasts
Track tidal patterns, wave heights, speed, and direction. View water and air temperatures. Access 5-day forecasts. Receive alerts for changing conditions. Sync with location for real-time updates.
Mark Turner
Locate your position on the grid
Displays the Maidenhead Locator grid for your current location. Shows coordinates and grid information. Allows users to input custom locations for manual lookup. Provides a reference for radio amateurs to communicate positions efficiently.
Oleg Baev
Navigate with true north and altitude data
Displays magnetic and true north directions. It shows location, altitude, and barometric pressure data. Users can adjust phone light settings.
Logic Design
Navigate, track, and plan flights
Navigate using real-time maps and flight tracking. View weather data and airspace restrictions. Log flight details and share them with pilots. Set waypoints and monitor altitude. Sync with GPS devices and receive turn-by-turn guidance.
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