In February 2015, Under Armour acquired MyFitnessPal. Tap “Edit” on the top right of the 'Data Sources & Access' page, scroll down and find Apple Watch, press and hold the hamburger button on the right, then drag Apple Watch to the top of the Data Sources list. MyFitnessPal account with other fitness apps like Garmin Connect, FitBit, Samsung Health, and Apple Watch. Select “Steps” -> Scroll down and find “Show All Data” MFP has your TDEE set based on your activity level, which includes some normal activity like walking around and doing chores. Go to the Apple Health app on iPhone -> Tap “Show All Health Data” The active calories on your Apple Watch are purely active calories, added to your BMR for a total number of calories burned that day. Set Apple Watch as the primary activity source If you need more information, please refer to the article below or contact. Go to Pacer -> Profile (tap own icon on the top left) -> Tap “Steps Data Source” -> Select “Apple Watch / Health ” -> Enable “Use Apple Health as Primary Data Source” Go to Watch app on iPhone -> Search “Pacer” -> Tap “Show App on Apple Watch” -> Turn on the switch

Also, Pacer supports syncing data with Apple Watch through Apple Health syncing.

Link apple watch to my fitness pal