So I've been doing rides using both and there are discrepancies between the two. I turn both on and off at the same time. I'm using the Sigma BC 16.12 CD STS computer, and the Map My Ride app. Does anyone have knowledge and insight as to.which is more accurate? I have set the wheel size correctly on the computer. Any tips on how to calibrate, so to speak, either?

And by the way, which app do you prefer? Strava appears to.be the standard. I havent used Ride with GPS yet.

Thanks for your thoughts!