SnapNutrition AI
The Best Free AI Calorie Tracker
No subscription. No ads. No limits.
The Best Free AI Calorie Tracker
No subscription. No ads. No limits.
Looking for the best free calorie tracker app in 2026? SnapNutrition AI lets you snap a photo to count calories instantly using advanced AI. Unlike other calorie counter apps with expensive subscriptions, SnapNutrition AI is completely free — you bring your own API key and pay only pennies per scan. Track calories, macros, protein, carbs, and fat with the most flexible free AI food scanner available.
Snap a photo of your meal and let AI identify the food and calculate calories, protein, carbs, and fat instantly
Select existing photos from your gallery to analyze meals you've already captured with the free AI scanner
Scan product barcodes to quickly get accurate nutrition information for packaged foods
Type what you ate and AI will estimate the calories and macros — great for homemade meals
Simply speak what you ate for hands-free food logging — the fastest way to track calories
Track your daily, weekly, and all-time calorie and macro progress with beautiful charts
Use your own Anthropic or OpenAI API key. No subscription — you only pay for what you use (pennies per scan).
Take a photo, scan a barcode, type, or speak. The AI food scanner works however you prefer.
Set your daily calorie goal and watch your macro progress on the free statistics dashboard.
No monthly fees, no premium tiers, no ads. Bring your own API key and pay only for actual AI usage.
Your calorie data syncs seamlessly across all your Apple devices via your personal iCloud.
Use the free calorie tracker in your preferred language with full localization support.
Switch between measurement systems based on your preference — grams or ounces, your choice.
Yes, SnapNutrition AI is 100% free with no subscription fees, no ads, and no hidden costs. You bring your own API key from Anthropic or OpenAI and pay only for the AI calls you make, which typically costs just pennies per scan.
Simply take a photo of your food, and the AI analyzes the image to identify ingredients and estimate calories, protein, carbs, and fat. You can also scan barcodes, type a description, or use voice input for hands-free tracking.
SnapNutrition AI is the best free AI calorie tracker in 2026 because it offers unlimited tracking with no subscription. Unlike other apps that charge $5-15 per month, you only pay for actual AI usage through your own API key — typically just a few cents per day.
AI calorie estimates are typically within 30% accuracy based on portion sizes and preparation methods. SnapNutrition AI displays this disclaimer and allows you to manually adjust portions and ingredients for better accuracy.
Yes, SnapNutrition AI has no backend servers. All your data stays on your device and syncs only through your personal iCloud account. Food images are sent directly to your chosen AI provider (Anthropic or OpenAI) for analysis — we never see your data.
You can use either an Anthropic (Claude) or OpenAI (GPT) API key. Both work great for food recognition. Get your key from their respective websites, paste it into the app settings, and you're ready to track calories for free.
No account required. No backend servers. No data collection. All your calorie and nutrition data stays on your device and syncs only through your personal iCloud. Food images are sent directly to your chosen AI provider for analysis — we never see or store your information.