Looking for a simple reliable way to track your weight loss and stay motivated every morning? Weight Diary is an intuitive daily weight tracker body fat monitor and BMI calculator designed to help you reach and maintain your target weight.

Whether you want to lose body fat build lean muscle or maintain your ideal physique Weight Diary combines an effortless daily weigh-in log with an accurate BMI calculator interactive progress chart and private before-and-after photo comparison. Over 3.7 million users trust our diary to turn morning scale check-ins into lasting healthy habits.

🎯 Clear Goal Setting & Weight Loss Pace
• Set your personal target weight and target date then log your daily scale weight in seconds.
• See exactly how many pounds or kilograms are left to lose your total progress percentage and your weekly weight loss pace.
• Clean clutter-free interface designed for quick morning weigh-ins without complicated menus.
• Smart customizable reminders that help you build a consistent daily tracking habit.

⚖️ Smart BMI Calculator & Body Fat Tracking
• Automatically calculate your Body Mass Index (BMI) with every weigh-in.
• Instantly see your WHO weight category (Underweight Normal Overweight Obese).
• Log body fat percentage to monitor real body composition changes alongside scale weight.
• Calculate your healthy target weight range based on your height and body profile.

📸 Private Before & After Photo Comparison
• Securely document visual body changes with private progress photos.
• Compare before-and-after photos side by side to see visible body transformations.
• Encrypted on your device and protected with an optional PIN lock for total privacy.
• Stay inspired and motivated by seeing your real visual progress over time.

📊 Interactive Progress Chart & Weight Trendlines
• View weight history across 7 days 30 days 90 days 1 year or all-time on a clear progress chart.
• Moving average trendline smooths out natural daily water weight fluctuations so you never panic over scale noise.
• Comprehensive stats: starting weight lowest weight highest weight and total loss.
• Celebrate your consistency with milestone achievements and progress badges.

📝 Daily Diary Notes & Lifestyle Log
• Add notes to any entry: intermittent fasting hours calorie intake workouts mood and sleep.
• Uncover how diet changes hydration and exercise impact your weight over time.
• Export your complete weight history to Excel (.csv) anytime for your doctor or personal backup.

🔒 100% Offline & Completely Private
Weight Diary works entirely offline with no account creation or login required. Your personal health records stay private on your phone where they belong.

Download Weight Diary today and take control of your weight loss journey!

💬 Frequently Asked Questions (FAQ)

• Does Weight Diary work offline without an account?
Yes 100% offline. No app account or sign-up is needed and all your health data stays private on your phone. A Google account is only required if you choose to back up your data to your personal Google Drive.

• Does the app calculate BMI and track body fat?
Yes. Weight Diary calculates BMI with multiple established formulas to pick from for maximum accuracy. If preferred you can turn off automatic calculations to manually enter your exact BMI from a smart scale or medical tool as well as log your body fat percentage.

• How does the moving average trendline help?
Daily body weight naturally fluctuates due to water retention and hydration. Our moving average trendline filters out daily scale noise to display your true long-term weight trend.

• Can I export my data for my doctor?
Yes. You can export your complete weight history to an Excel (.csv) file at any time for doctor visits nutritionists or personal backups.