Review: CoPilot Premium sat nav app

If you're reading Tech Radar you've surely got a smartphone in your hands now, reading this, or it's warming the front area of your jeans. And guess what? Your Android or iThing's combination of GPS tracking, chips and apps makes it an ideal platform for satnav. You will, of course, have to invest in a car kit – charger and cradle, as it won't be as effective rattling around in your car's footwell. I'd recommend Montar's universal mount (£17.49) and a Belkin charger (£3.99). Then head to App