I've been a fan of GateGuru since I first tried it in 2010. It's a travel app for the iPhone that provides a plethora of information of flights, airlines and airports. It's great having all of that in your pocket. The version 4.0 fixes some problems and makes GateGuru even better.
Version 3 was nice but had nagging problems. For example, it required me to enter flight details, even when that's not the information I'm after. For example, sometimes I simply want to review the amenities that ar
