Nike+Fuel or Fitbit is better with healthkit


Original poster
May 8, 2011
Los Angeles
I am more interested in HealthKit app and maybe one day I might want to buy Nike+Fuel or Fitbit Flex but can't decide which works well with HealthKit? I am guessing Fuelband and Fitbit are not needed because iPhone have M7/M8 co-processor already built in? Am I wrong? Thanks. :apple:
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