Whatever keeps you motivated.Track your weight, body fat, waist, chest, hips, thighs, calves, arms and neck! 1 $0.99 Pre-ordered body ph meter lokesh hanumappa 1 $0.99 If there is one parameter in the whole world which we have to master , that will be pH , but this is the only thing which is mostly ignored by all of us.pH is a parameter which indicates your Acidity or Alkalinity Levels.