1
Log food
Every bite moves your balance.
Built for Apple Watch
Your energy balance, first on your wrist.
See deficit, surplus, workouts, food impact, and goal progress from Apple Watch and iPhone without turning your day into a spreadsheet.
Your personal energy system
Calories in. Calories out. Your body's live balance.
Calories inFood impact
Meals, snacks, and quick estimates show how intake shifts the day.
Current balanceOne readable signal
Deficit, surplus, and on-track states stay visible without extra math.
Calories outBurn + activity
Apple Health burn and workouts reconcile the picture as your day changes.
Three moments. One balance.
See deficit, surplus, workouts, food impact, and goal progress from Apple Watch and iPhone in one clear daily balance.
2
Burn energy
See activity affect your net balance.
3
Reach goals
Connect daily targets with your weight timeline.
Watch first
Start on your wrist. Go deeper on iPhone.
Energy Bank is designed around the quickest daily read: your Apple Watch shows the signal when your day is moving, while iPhone keeps the context when you want to review the details.
Apple Watch
Immediate balance, without opening your phone.
The Watch experience is built for fast checks: current balance, workout impact, food moments, and whether your day is drifting toward deficit or surplus.
- Glanceable deficit/surplus
- Workout impact while moving
- Quick food moments
iPhone
Context when you want the full picture.
iPhone is where Energy Bank slows down: history, goals, and deeper balance details make the Watch signal easier to understand over time.
- Longer history
- Goal context
- Balance breakdowns
Early access
Be first when Energy Bank opens.
Join the TestFlight beta list for a focused, Watch-first calorie balance experience built for people who want daily clarity without a heavy tracking ritual.
Built for Apple Watch
Works with Apple Health
iPhone is your Command Center
Designed for Apple Watch. Energy Bank uses Apple Health activity and energy data to estimate your daily balance. Without Apple Watch, some values may be estimated, delayed, or less precise.