✨ Available in 82 Languages

Weight Loss Calorie Tracker with AI & Science

Science-backed weight tracking & forecast with AI food scanning for calories, carbon footprint, and gluten flags via barcode; plus calorie budgets and calorie deficit

Weight Forecast Carbon Footprint Gluten Status 60+ Articles

See it in action

Swipe through screenshots of the app

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What makes LyteFast different

Science-backed features for sustainable weight management

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Weight Forecast

Project your weight trend from recent data and goals with Auto-Zoom chart

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AI Food Scanner

Snap a photo, get instant calorie estimates with 50 scans per day

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Carbon Footprint

Track environmental impact (CO₂e) of your food choices

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Gluten Detection

Gluten indicators based on barcode scanning and meal analysis

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Calorie Deficit

See daily deficit/surplus vs your target with visual charts

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Budget-Based Calories

Budget-based calorie tracking - simple 'spend vs. budget' approach

Ready to start your journey?

Download LyteFast today and get your 3-day free trial

📱 Download on App Store

Free 3-day trial • Cancel anytime • 82 languages