iPad Plane Finder HD Created by Pinkfroot limited, this app and its sister app Plane Finder AR (augmented reality) do exactly what their name implies, they find planes. This is the ideal app to use when plane spotting as it lets you find planes, see their destinations, tail numbers, and track them. $6.99
Lido/iRouteManual This app from Lufthansa Systems, yes that Lufthansa, provides you with information normally only pilots see, professional charts from some of the biggest airports in the world. These charts are extremely detailed and include airport layouts and arrival, departure, and navigation information. $19.99
AeroWeather Pro This app contains the important weather information that pilots need and decodes TAFs and METARs (current weather and forecast weather). Lite: Free, Full version: $3.99
Android FlightAware The big kid on the scene, FlightAware, which is also available for iOS, Blackberry, and WindowsPhone 7, contains flight plans and technical information directly from the FAA pertaining to almost any flight. Free
Aviation Tools Available in 5 languages with maps for the USA and most of Europe, this app is a basic tool to help pilots prepare for flights. Lite: Free, Full version: $2
Aviation Weather This simple application provides quick access to aviation weather METAR, TAF and NOTAM information (Notices to airmen). Lite: Free, Full version: $1.40
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