The first one concerns me. If you scale the FitBit result up to 10000 steps - you get a scale factor of 6.72 . Multiply the 1388*6.72 gives 9334. Which indicates 93.34% of the Fitbit result. This to me isn't accurate enough, 98% was my target, over 10K steps. I used a FitBit Charge HR for several years and know they are really accurate, so I trust them for comparisons.
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Hi @johan_m_o - good tests.
The first one concerns me. If you scale the FitBit result up to 10000 steps - you get a scale factor of 6.72 . Multiply the 1388*6.72 gives 9334. Which indicates 93.34% of the Fitbit result. This to me isn't accurate enough, 98% was my target, over 10K steps. I used a FitBit Charge HR for several years and know they are really accurate, so I trust them for comparisons.