Reference tools for the body — BMI plotted against a full colour-coded chart rather than a single number, pace across running, cycling and swimming against real population data, and heart rate zones from four competing formulas at once.
Six routines or build your own from 44 exercises — add your own if it is not listed — then run the session with a set tracker, a rest timer that beeps, and live volume. Everything stays on your device.
One tape measure, one boundary, no arithmetic — and it catches the cases BMI gets wrong in both directions.
What a night of drinking might do to blood alcohol over time — and how wide the uncertainty is. It cannot tell you whether you are fit to drive, and nothing can.
Weigh in before and after one session and you know your own sweat rate — which ranges fivefold between people, so no published guideline fits you.
Four published max-HR formulas at once so you can see how far apart they are — and why “zone 2” means two different heart rates.
Body mass index plotted on a full height/weight chart, coloured by category — not just a single number.
Distance, time, pace and speed for any of the three — with real population percentiles and pro/average/beginner reference times per distance.
Total daily energy expenditure from the Mifflin-St Jeor equation, the most validated BMR formula, times a real activity multiplier.
Your height, weight, income, net worth, age and footprint placed on the world and on your country, with a map of where the average person is like you.