The proof
Your old app's calorie number was always a guess.
Most trackers estimate your burn from a textbook formula. Our Macro reads your real number back from how your weight actually moves — and re-fits it every week.
The problem with formulas
A formula can't see your metabolism
Age, height, weight and activity get you close — but everyday movement and individual metabolism vary enough that a formula estimate is routinely off by a meaningful margin.
10–15%
typical variation between a formula estimate and a person's true daily burn.
Source: TDEE-method literature
The mechanismWhy we use trend weight, not the daily scale →
Read the number back from reality
01
Log intake, weigh in
Your food and your trend weight are all it needs.
02
Regress the two together
Intake vs. real trend-weight change reveals your true burn.
03
Recalibrate weekly
The target adapts as your body does — with a confidence band that tightens over time.
Honest comparison
MacroFactor's adaptive math, without the wall
MacroFactor pioneered trend-based adaptive targets and does it superbly — but it's subscription-only. Our Macro brings comparable trend-honest math to a real free tier. The difference is access, not the concept.
See the full comparison →