Use it all the time!

Been an airline pilot for 10 years and this is one of the first apps I got when I got my first iPhone. Fast up to date weather. Airports at a glance vfr or ifr and winds. Wx Maps. E6b functions(I dont use to much). Naca charts which you can down load(dont know if theyre legal to use). Fantastic!

Semco about AirWX Aviation Weather, v2.3.4