LogMog

LogMog calculates your BMI, daily calorie burn (TDEE), and personalised macro targets — instantly, privately, and completely free. No account. No subscription. No cloud. Your numbers stay on your device. MY NUMBERS See your complete fitness profile at a glance: goal badge, BMI with a visual scale and category, calorie target tailored to your goal, and a full macro breakdown of protein, carbs, and fat. UPDATE NUMBERS Adjust your weight, height, age, and activity level using simple sliders. Pick a goal — Lose Fat, Maintain, or Build Muscle — and every number recalculates instantly. TRENDS Log your weight weekly and watch your BMI and body weight chart over time. Filter by 2 weeks, 1 month, 3 months, or all time. WEEKLY REMINDERS Optional Sunday notification to remind you to check in and update your stats as your body changes. THE MATHS LogMog uses the Mifflin-St Jeor formula for BMR and TDEE, standard WHO BMI thresholds, and proven macro splits adjusted for your goal. No internet connection required — all calculations happen instantly on your device. YOUR PRIVACY LogMog collects zero data. Your weight, height, and goals are stored only in your device's local storage and never leave your phone. No analytics, no tracking, no third-party SDKs. WHAT YOU GET · BMI with category and visual scale · BMR and TDEE (Mifflin-St Jeor) · Calorie target for your goal · Protein, carbs, and fat targets · Weight and BMI trend charts · Weekly check-in reminder · Imperial and metric support · 100% on-device — works offline · Free, no subscription, no ads