Evidently. The device which has the actual purpose of being a GPS, is pretty much always going to be better than a phone, on which GPS is one of many secondary functions.The iPhone app results are always way out. I've used both my iphone & garmin 800 on the same rides and the garmin was far more accurate!!!
Mind u it was more accurate than Cyclemeter that have me regular top speeds of 80kph
It was on the news about this when some one was blaming strava for stupidly fast "breaking the speed limit cant even do it on a moterbike times"Evidently. The device which has the actual purpose of being a GPS, is pretty much always going to be better than a phone, on which GPS is one of many secondary functions.