Tool category
Health Tools
Tools for recording and calculating preliminary health information with clear limits and sources
Food Calorie Log
Enter energy per serving from a label or a trusted database, then total breakfast, lunch, dinner, and snacks without sending food data off your device.
Open toolBMI, BMR and TDEE Calculator
Calculate BMI from height and weight, estimate resting energy with the Mifflin–St Jeor equation, and multiply by an activity factor for a TDEE scenario—not a diagnosis or calorie prescription.
Open toolPeriod and Fertile Window Estimate
Estimate the next period start, ovulation date, and possible fertile window from the first day of the last period and average cycle length without labeling any other day as guaranteed safe.
Open tool