FatKit for iPhone helps you calculate your Body Fat Percentage and Lean Body Mass. It connects to the Health app, imports relevant data and stores your results. Specifications:Profile: You can connect with the Health app and FatKit automatically imports data from there Choose the imperial or metric system Set reminders so you wont miss a measurement Contact the team for every question or suggestion Rate the app Measurements: REQUIRE A FAT CALIPER Can be imported from the Health app if you choose soMethods of measurement: Jackson / Pollock 3 Jackson / Pollock 4 Jackson / Pollock 7 Durnin / Womersley Parillo History: Individual graphs for Body Fat Percentage and Lean Body Mass Periods: 1 month, 3 months, 6 months, 1 year Graphs are just a tap / swipe away Requires connection to the Health app