Skydemon vs. Airnav Pro
 

I use air nav pro with ipad 2 and seperate gns reciever... It has never once lost signal or crashed and i have no problems with it.

I would like to try skydemon but its an awful lot of money to pay out on a gps which i already have and works... So finding it hard to justify it... Not to mention it needs to be subscribed anually sonit keeps on costing where air nav doesnt