PhatToFit

PhatToFit is your all-in-one fitness companion that combines nutrition tracking, workout planning, health monitoring, and AI-powered coaching to help you reach your goals.

AI-Powered Features
PhatToFit uses artificial intelligence to make fitness tracking effortless and personal:

Snap a photo of your meal and AI instantly logs the calories, macros, and nutritional breakdown
Scan barcodes for instant food lookup
Get AI-generated meal plans tailored to your goals and preferences
AI builds personalized workout programs based on your experience level and objectives
Weekly AI check-ins analyze your progress and provide actionable coaching advice
AI-generated grocery lists from your meal plans
Bring Your Own AI
Choose the Basic plan and use your own API key from Anthropic, OpenAI, Google Gemini, DeepSeek, or xAI. You control the AI provider, and your key stays encrypted at rest. Or choose Premium and we handle everything — no API key needed.

Nutrition Tracking

Log meals via AI photo scan, barcode scanner, search, or manual entry
Track calories, protein, carbs, fat, and fiber
Daily macro targets based on your personalized TDEE calculation
Save favorite foods for quick logging
AI meal planning with full grocery list generation
Nutri-Score grading on scanned foods
Workout Planning

870+ exercise library with images and instructions
AI-generated workout programs customized to your goals
Weekly drag-and-drop workout scheduling
Track sets, reps, weight, and effort for every exercise
View previous session data to track progressive overload
Personal records and strength analytics
Muscle group volume tracking
Health Monitoring

Customizable health dashboard with drag-to-reorder metrics
Track sleep, heart rate, HRV, stress, body battery, SpO2, and more
Weight and body composition tracking with trend charts
Progress photos with front, side, and back angles
Water intake tracking
Device Integrations
Connect your favorite devices and apps to sync data automatically:

Garmin
Strava
Oura Ring
COROS
Fitbit
Renpho
Apple Health
Samsung Health (via Health Connect)
More coming soon
Progress Analytics

Macro trend charts and compliance scoring
TDEE tracking — compare calculated vs actual
Strength progress and personal records
Workout volume analysis by muscle group
Calendar heatmaps for consistency tracking
Weekly AI-powered progress reports
Smart Features

Shared date navigation across all views
Auto-resets to today when you reopen the app
Works on web and mobile
Clean, modern interface designed for daily use
Subscription Plans

7-day free trial with full access
Basic — All features, bring your own AI key
Premium — All features, AI provided by us
Start your free trial today and let AI help you go from Phat to Fit.