Fud AI

Eat Smart, Live Better

AI-Powered Privacy First Open Source Bring Your Own Key

Free, open-source calorie tracker for iOS. Snap a photo, speak your meal, or type it — your AI provider handles the rest. Supports Gemini, OpenAI, Claude, Grok, Groq, Ollama, and more. All data stays on your device.

Download on the App Store

Features

Everything you need to take control of your nutrition

AI Food Recognition

Snap a photo of any meal for instant estimates
Scan nutrition labels for precise data
Analyze photos from your camera roll
Type food name and quantity for AI lookup
Voice input — speak your meal, no typing needed

Nutrition Tracking

Track 13 nutrients per entry
Adjustable serving sizes with live recalculation
Organize by meal type
Browse past days with date selector

Smart Dashboard

Daily calorie display with progress bar
Macro cards with gradient visuals
Detailed nutrition breakdown view
Food log grouped by meal with swipe-to-delete

Progress & Analytics

Weight chart with trend and goal weight line
Goal-reached detection and celebration
Calorie trend chart: intake vs. goal
Time ranges: 1W, 1M, 3M, 6M, 1Y, All Time

Personalized Plans

Onboarding collects your body stats and goals
BMR/TDEE calculated automatically
Auto daily targets for calories and macros
Fully customizable — override any value

Apple Health

Writes body mass, height, and body fat %
Reads weight, height, body fat, DOB, and sex
Bidirectional sync — auto profile updates
Background observer for real-time sync

Bring Your Own AI

8 providers: Gemini, OpenAI, Claude, Grok, Groq, and more
API keys stored in iOS Keychain (encrypted)
Switch providers and models anytime
Open source — MIT License

Smart Notifications

Customizable breakfast, lunch, dinner reminders
Daily summary: consumed vs. remaining
Never miss logging a meal
Set your preferred reminder times

How It Works

From photo to nutrition log in seconds

Capture

Snap a photo, scan a label, pick from library, type, or speak your food details

Analyze

Your chosen AI provider identifies the food and estimates full nutrition

Review

Edit the name, adjust serving size, and confirm meal type

Log

Saved locally on your device. Synced to Apple Health if enabled.

Track

Dashboard and progress charts update in real time

Fud AI - Free AI Calorie Tracker App for iPhone

Fud AI is the best free calorie tracker app for iPhone and iOS. Use artificial intelligence to scan food, count calories, and track nutrition instantly. Take a photo of your meal and get a complete nutrition breakdown with calories, protein, carbs, fat, sugar, fiber, saturated fat, cholesterol, sodium, and potassium.

AI Food Scanner and Nutrition Label Reader

Fud AI uses AI food recognition to identify meals from photos. Scan nutrition labels for accurate per-serving data. Voice input lets you speak your meals for hands-free calorie tracking. Text input for quick food logging. Works with Google Gemini, OpenAI GPT-4o, Anthropic Claude, xAI Grok, Groq, Together AI, OpenRouter, and Ollama for local AI inference.

Macro Tracker and TDEE Calculator

Track macros including protein, carbs, and fat. Calculate your TDEE (Total Daily Energy Expenditure) and BMR (Basal Metabolic Rate) using Katch-McArdle and Mifflin-St Jeor formulas. Set personalized calorie and macro goals. Weight tracking with goal weight and trend visualization. Progress charts with 1 week, 1 month, 3 month, 6 month, 1 year, and all time views.

Privacy First Calorie Counter

No account needed. No sign in required. No cloud sync. No ads. No analytics. No tracking. All data stored locally on your device. API keys encrypted in iOS Keychain. Open source under MIT License. Bring your own API key (BYOK). Free calorie counter app. Best alternative to MyFitnessPal, Lose It, Cronometer, MacroFactor, and Carbon Diet Coach.

Apple Health Integration

Sync weight, height, body fat percentage with Apple Health. Background health data observer. Compatible with Apple Watch health data. Works on iOS 17.6 and later.