Free iOS App
Know Your Numbers.
Hit Your Goals.
LogMog calculates your BMI, daily calorie burn, and personalised macro targets — then tracks your progress over time. No account. No subscription. Entirely on your iPhone.
LogMog calculates your BMI, daily calorie burn, and personalised macro targets — then tracks your progress over time. No account. No subscription. Entirely on your iPhone.
What's inside
Your personalised results at a glance — goal badge, weight, BMI with visual scale, BMR, TDEE, calorie target, and full macro breakdown. Updates automatically when you change your inputs.
Slide your weight, height, age, and activity level. Pick your goal — Lose Fat, Maintain, or Build Muscle. Everything recalculates instantly in real time.
Record your weight and BMI over time. View a smooth line chart with 2-week, 1-month, 3-month, or all-time filters to see how you're progressing.
Science-based formulas for Body Mass Index and Total Daily Energy Expenditure. Accurate macro splits for protein, carbs, and fat tuned to your goal.
Optional Sunday morning nudge to update your stats and keep your targets current as your body changes over time.
All data is saved locally on your iPhone. No accounts, no servers, no subscriptions — ever. Your numbers belong to you.
LogMog collects nothing and sends nothing. Your weight, height, age, and goal are stored locally using Apple's UserDefaults. No analytics SDK, no cloud, no third-party services of any kind.