Hi, Thanks for your reply. The ToughCase GPS is definitely used as the iOS reported accuracy immediate jumps seconds after I turn on the external GPS, and drops again when I disable it. I've learned a lot in the last day, as I received answers to several requests I'd made to specific app's support d...

Hi, First, while I have autocrossed my WRX, I'm writing here because I need a high frequency GPS acquisition app for my iPhone for the purpose of accurately mapping trails through the woods. I'm a mountain biker and trail builder/maintainer and I'm stumped: I can't believe that the GPS apps I'm usin...