Dashboard & Rings
Your entire day at a glance. Animated macro rings fill in real-time as you log, your net calorie balance updates live, and a scrollable timeline shows every meal in order.
- Four animated rings for calories, protein, carbs, and fat — inspired by Apple's Activity rings
- Live net calorie balance accounting for exercise calories from Apple Health
- Scrollable meal timeline showing every food entry with macros
- 7-day summary strip so you can see your week without opening Analytics
Smart Food Logging
Search a massive food database, scan any barcode in seconds, or re-log a saved favorite with a single tap. Logging a meal should take 10 seconds, not 2 minutes.
- Barcode scanner powered by Open Food Facts — works on virtually any packaged food
- Instant search across hundreds of common foods with full macro breakdowns
- Save frequently eaten meals and re-log them instantly from your history
- Logs sync automatically to Apple Health as dietary energy & macronutrients
- FYB Pro: Describe a meal in plain text or snap a photo — AI estimates the macros instantly so you can log without a label
Workout Tracker
Log sets, reps, and weight with a clean interface built for the gym. Built-in templates for every training style, rest timers that vibrate at the right moment, and automatic PR tracking. GPS-based cardio has its own dedicated mode — see below.
- Built-in templates: Push/Pull/Legs, Upper/Lower, Full Body, HIIT, and more
- Log exercise type, sets, reps, weight, RPE, and RIR per set
- Configurable rest timer with haptic feedback so your phone stays in your pocket
- Personal records detected and celebrated automatically
- Your default weights per exercise are remembered for next time
- Completed workouts sync to Apple Health
GPS Cardio Tracking
Track outdoor runs, rides, and walks with live GPS routing. Real-time pace, elevation, and split announcements keep you in the zone — no Apple Watch required.
- Live map with pace-colored route segments — see exactly where you pushed harder or backed off
- Real-time metrics: current pace, distance, elapsed time, elevation gain/loss, cadence, and grade
- Automatic kilometer or mile splits with spoken audio announcements — phone stays in your pocket
- Grade-adjusted pace accounts for hills so your effort is compared fairly across different terrain
- Continues recording in the background when your screen is off — battery-optimized
- Full route stored on-device and synced to Apple Health as a workout with distance and calories
Recipe Builder
Build custom meals once, log them forever. Add ingredients, get auto-calculated macros, scale by serving size, and log your creation in a single tap from anywhere in the app. FYB Pro adds AI-powered recipe generation and optimization — see the AI Recipes section below.
- Add any food from the database as an ingredient with precise gram weights
- Macros per serving calculated automatically — just define how many servings the recipe makes
- Scale servings at log time (log half a recipe, or double)
- Scan grocery barcodes while shopping to check if a product fits your plan before you buy
- FYB Pro: AI meal suggestions, AI recipe generation, meal prep planning, and recipe optimization — all built around your actual macro targets
Personalized Macro Targets
Your targets are calculated from your actual body stats — not a generic formula. Set your goal and get exact daily numbers for calories, protein, carbs, and fat.
- Mifflin-St Jeor equation for precise BMR and TDEE calculations
- Goal modes: Cut, Bulk, Maintain, and Recomp — each with appropriate macro splits
- Targets update instantly when you log your weight or change your activity level
Shopping Scanner
Scan any grocery item's barcode and instantly pull its nutrition data right into a recipe. No typing, no searching — just scan and build.
- Scan ingredient barcodes from the Recipes page to add them with full macro data in one tap
- Nutrition facts pulled from Open Food Facts — covers millions of packaged foods worldwide
- Adjust quantities per ingredient and watch the recipe's total macros update in real time
- Check macros on the spot while shopping — see exactly what's in a product before it goes in your cart
- Works offline — no internet connection required to scan and retrieve stored nutrition data
- Seamlessly connects to the Recipe Builder so scanned items go straight into your current recipe
Water Tracking
Staying hydrated is half the battle. Log water in one tap with smart presets, and let FYB automatically set your daily goal based on your body weight.
- One-tap presets (8 oz, 12 oz, 16 oz, 20 oz, 40 oz) plus a custom amount option
- Daily goal auto-calculated from your logged body weight
- Optional gentle reminders spaced throughout the day
Analytics & Projections
Raw data is noisy. FYB smooths your weight trend, shows you real weekly averages, and tells you exactly when you'll hit your goal — based on your actual pace, not a calculator guess.
- Smoothed weight trendline filters out daily fluctuations to show your true direction
- Weekly macro adherence averages so you know how well you're actually sticking to targets
- Projected goal date calculated from your real rate of change
- Workout frequency chart and personal records history
Exercise Guide
A full exercise directory and tutorial library built right into the workout tracker. Know exactly how to perform every movement before you load the bar.
- Step-by-step technique instructions for every exercise in FYB's workout library
- Target muscles, required equipment, and difficulty level shown for each movement
- Common mistakes and form cues highlighted so you train safely from day one
- Searchable directory — filter by muscle group, equipment, or exercise name instantly
- Linked directly from workout templates — tap any exercise in your plan to pull up its guide
- Beginner-friendly explanations alongside advanced cues — useful at any experience level
AI Recipes & Meal Planning
Tell FYB what you're craving, your remaining macros, or your weekly targets — and get a full recipe, an optimized ingredient list, or a complete multi-day meal prep plan built around your actual goals.
- AI Recipe Generator: Describe any dish and get a macro-calculated recipe with exact ingredients and serving sizes
- AI Meal Suggestions: Enter your remaining macros and get a meal idea that actually fits your day
- Meal Prep Planner: Set your weekly calorie and protein targets and get a complete multi-day plan with recipes and a shopping list
- Recipe Optimizer: Paste in any recipe and let AI rework the ingredients to better hit your macro targets without sacrificing flavor
- Every AI-generated recipe saves directly to your Recipe Builder and logs with one tap
Morning Briefing
Wake up knowing where you stand. A daily notification at your chosen time recaps yesterday and sets your focus for today.
- Yesterday's macro totals, calories, and workout summary in one glance
- Today's targets and your current streak — keeps momentum going
Apple Health Integration
FYB doesn't live in a silo. It reads your activity data from Apple Health and writes your nutrition data back — so every app you use sees the full picture.
- Reads: Steps, active & basal calories, workouts, resting heart rate, body mass
- Writes: Dietary energy, protein, carbohydrates, fat, fiber, and water after every log; body mass and measurements from the weight log; cardio workouts with distance and active calories
- Net calorie balance on the dashboard accounts for exercise calories automatically
- Background delivery enabled — HealthKit data updates even when the app is closed
- Your HealthKit data is never sent to our servers — it stays on your device
Everything above. Free on day one.
Every feature above. Free on launch day — no trial, no countdown, no credit card.
One email when FYB launches — no spam, ever.