Steady - Weight Trend

Your weight moves two kilos in a day. Salt, water, what you had for dinner. If you're actually losing fat, you're losing about 400 grams a week. Five times smaller than the noise sitting on top of it. Every other weight app draws that noise and leaves the filtering to you. You did everything right, the number went up, and you talk yourself out of it. That's where people quit. Steady filters. Drag a ruler to your weight, it goes into Apple Health, and you see one smoothed line. THE LINE An exponentially weighted moving average over your whole history. A 1.5 kg salt spike moves the line by 0.27 kg and fades. The reading shows up as a dot well off the line. The line barely notices. Week charts fit a straight line through seven readings, because over seven points smoothing still wobbles and tells you nothing. Year charts smooth weekly averages a second time. TWO SCREENS Log is a ruler you…