Mods, please bear with this, it is aviation related!

It seem advertise, but it's just a simply recommendation for you guys. I found an app pack which are useful for flight.
IFR, LogBook and Weather.
I know ForeFlight too, but i think that is not so helpful and usable.
So if you want just check it:
https://itunes.apple.com/us/develope...td/id550770776