Simply iPhone -Apple know what they have and do it best as long as you join the club - if you are an apple hater forget it as it will tie you in knots. Apple works and works well because of it's control. Android is kind of geeky so who knows if the apps will work or event not affect others etc - it's a quality control thing.
2000 Black and Gold with MRA Screen, Motad Venon Exhaust + Custom Stainless Ankle Guard, Bagster Tank Cover, Dash Clock Cover + 12V, Facet Fuel Pump, Givi Crash Bars, Givi Pannier Rack (Modified for Stahlkoffers), Givi Top Box, Stahlkoffer Panniers, Pro. Mod. Seat, CR Footpegs, Michelin Anakee 2 Tyres, Sat Nav., Hel Stainless Brake Hoses, K&N, Headlamp Mesh - oh! yes. Huge Nut attached to Handle Bars