OpenCal Calorie Macro Tracker

Track calories your way - log meals manually or let an agent do it via API. Privacy-first, no ads, 300K+ foods. Set goals, hit them.

OpenCal is the calorie and macro tracker built for how people eat. Simple, fast, and a beautiful app for everyone.

LOG ANYTHING, INSTANTLY Search 1M+ foods with instant nutrition data. Scan barcodes in seconds. Photograph a meal and let AI identify ingredients and estimate macros. Or just type what you ate.

YOUR MACROS, YOUR GOALS Set daily targets for calories, protein, carbs, and fat. OpenCal calculates personalized targets based on your height, weight, age, activity level, and goal. Watch your progress update in real-time.

MACROMATCH Tell OpenCal what macros you have left for the day and it suggests recipes that fit perfectly. No more guessing what to eat to hit your protein goal.

AI AGENT-NATIVE Every feature is accessible via REST API. Connect any AI assistant — log meals by describing what you ate in natural language, no app required. OpenCal is the first calorie tracker built for the age of AI.

PRIVACY FIRST No ads. No data selling. Your nutrition data is yours — export it anytime, delete it entirely, or build on top of it with API keys you control.

OPENCAL PRO • MacroMatch recipes tailored to your remaining macros • Barcode scanner — log packaged foods in 2 seconds • API access — connect any AI agent or build integrations • Unlimited history — export all your data, no cutoff

$3.33/month billed yearly ($39.99/yr) or $6.99/month. Subscription renews automatically. Cancel anytime in Settings > [Your Name] > Subscriptions.

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