
FuelSync Fitness
Macro Tracker & Workout Log
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Free
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About
Nutrition and training, finally in one app. FuelSync tracks what you eat, how you lift and how your body changes, so every number lives in one daily view.
LOG A MEAL IN ONE SNAP
• Snap a photo of your plate and AI estimates calories and macros
• Scan a barcode and pick one serving, the whole package or exact grams
• Search the food database or re-log your usual meals in one tap
• See calories left plus protein, carbs, fat and fiber at a glance
PLAN YOUR DAY, THEN STICK TO IT
• Plan meals for today or up to 30 days ahead
• Tick each item off as you eat it — it logs itself
• Anything extra is flagged off plan, so you know where the day went
• Copy a day's plan forward in a tap
• Save a day or a meal as a template and reuse it on any day
INTERMITTENT FASTING
• 14:10, 16:8, 18:6 or 20:4 — or your own eating window
• A live fasting ring with the stages your body typically goes through
• Reminders when your window opens and closes, and a "did you keep it?" check-in
• Fasting streaks and a two-week calendar
TRAIN WITH A GUIDED SESSION
• Fuel Up guides your workout live: sets, reps, weight, rest timer and personal records
• Every lift planned: follow a training split and a weekly schedule
• Progressive overload hints tell you when to add weight
• Strength, cardio and mobility in one session
APPLE WATCH
• Run your whole workout from your wrist: log sets, rest, and swipe between exercises
• Live heart rate and zones during training
• Today's macros, your fast and your meal plan on the watch home screen
• A watch-face complication with your fast, calories left and this week's workouts
PROGRESS YOU CAN MEASURE
• Weight trend, body measurements and progress photos side by side
• Strength and cardio trends that show whether you are actually improving
• Readiness from your sleep and recovery data in Apple Health
TRAIN WITH YOUR CIRCLE
• Share workouts and PRs with friends, give kudos and join challenges
• Leaderboards and groups to keep each other honest
FuelSync is a fitness and nutrition tool, not medical advice. Talk to your doctor before starting a fasting or diet plan, especially if you are pregnant, have diabetes or take medication.
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What's New in FuelSync Fitness
2.1.0
October 6, 2026
• Watch-face complication: your fasting ring, calories left and this week's workouts, right on your watch face • Meal plan templates: save a day or a single meal and reuse it on any day in one tap • Meal layout (By meal or Timeline) is now in Settings too • Siri Shortcuts meal logging works again, and logs land on your own day • Fixed: saving fasting from Settings could flip your eating window • Fixed: on the website, meals and workouts logged in the evening could land on the next day
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