ForeFlight Mobile is a free app for iOS that belongs to the category Weather, and has been developed by ForeFlight. It's recommended for pilots, weather junkies.
More about ForeFlight Mobile
People say love the moving map and geo-referenced position on approach plates, i have wish list - radar top charts, weather data and airport info is superb.
If you like ForeFlight Mobile you'll also enjoy: NOAA Hi-Def Radar Pro - Storm Warnings, Hurricane Tracker & Weather Forecast, FlyQ EFB, AeroWeather Lite, MyRadar Pro NOAA Weather Radar – Forecast, Storms, and Earthquakes, AOPA FlyQ EFB, Garmin Pilot.