Could you share your experience with Withings ? I love their looks but I have wondered about the accuracy . I use my Fitbit Ionic mostly for tracking my daily c

Could you share your experience with Withings ? I love their looks but I have wondered about the accuracy . I use my Fitbit Ionic mostly for tracking my daily calories burned. I was looking at Withings but I saws on message boards that it seemed to have having difficulty calculating calories. Is this still true?