Calories Burned Accurate? – Sports Tracker for All Sports Review

I’ve been using this app for years and love it, but I am wondering why the calories burned on a bike ride as reported by the app are so much higher than what is reported for the same ride on my Fit Bit Charge 3? I’m hoping the app is more accurate than the Fit Bit? Example for recent bike ride: App said 16.8 mi 1:26 780 calories burned while Fit Bit said only 557 calories. Sometimes there’s an even bigger difference.
Review by tlrider138 on Sports Tracker for All Sports.