Your Fat Bank
Each day's balance is a deposit or a withdrawal. Today's deposit builds up through the day as you move, so the ring only counts what's actually happened.
Mission 7700 · Beta
See the best version of you
Every 7,700 calories you save is one kilo closer to your goal. Bank them, watch your forecast, and stay on track.
- iPhone and Android
- Apple Watch, Wear OS and Amazfit
- Seven, your AI companion, built in
7,700kcal ≈ one kilo banked
80animated exercises
3watch platforms
7focus modes
Bank every kilo
Burn more than you eat and it's a deposit. When 7,700 kcal is banked, a coin drops and one kilo is gone. The maths is honest, and it's always an estimate, never a promise.
Plan, actual and forecast
Your plan line, your weigh-ins and a forecast cone, side by side. If you drift, it tells you exactly how far, like +1.8 kg · 12 days late
Burn without double counting
Resting burn is recomputed daily from your weight. Everyday movement comes from the best source that day (watch, phone steps or your lifestyle), and workouts count only what they add above resting.
Honest plans with safety floors
Every goal gets a feasibility check. Intake never goes below your resting needs, weekly loss is capped, and if a goal isn't safe you're shown the nearest one that is.
Off track? Get back.
Pick a way back: eat a little less, add activity, more steps, split the difference, tighten fasting, extend the deadline or lower the target. Each option is checked against your safety floors, and the "dial it in" slider bends your forecast live before you apply it.
If the date is out of reach, what-if scenarios label each path healthy, ambitious or unsafe, and you can revise the mission with your old plan kept as a ghost line.
Log in seconds
Meals, workouts, weigh-ins, water and fasts (including 5:2 and alternate-day). Snap a plate, a nutrition label or a menu, or scan a barcode. Every meal photo lands in your journal.
Meal plans that fit
AI meal plans sized to your daily budget, with a shopping list and a prep schedule.
See the change
A body silhouette, or your own photo, morphs between start, today and target. Body analysis runs on your phone.
Rewards that stay kind
XP and ranks, streaks with freezes, daily quests (never "eat less"), a 7-day comeback arc, badges and a Calm mode. Meals always earn XP.
Snap it. Ask Seven.
Seven lives in the middle tab. Type, talk or send a photo, and Seven turns it into real entries: meals, workouts, weigh-ins, fasts, water, meal plans and shopping items.
- Action cards with Undo. Everything Seven logs shows up as a card you can undo.
- Numbers come from the engine. Budgets and forecasts are calculated, never made up, and healthy-eating rules are enforced in code.
- Almost everything the app can do. Start a crew challenge, plan an outing, log a plank, re-check pain, change a reminder, or ask "how did I sleep this week?"
- Some things stay a tap. Connecting accounts, sharing your location and joining a crew by code always need you.
- Short, warm, one suggestion at a time. On a low-recovery day Seven puts sleep and an easy walk first, and never suggests eating less.
Better together
Start a crew with friends using an invite code, link or QR. Compete fairly, cheer each other on and head out together, without ever sharing your weight or meals.
Challenges you build
Steps, active calories, exercise minutes, active days, workouts or logging days, plus an opt-in weight % that's capped at the safe rate. Seven can start one for you.
Fair points
Everyone is scored against their own usual, each source is capped per day, and the best source wins (never the sum). Live leaderboards, XP and badges.
A feed with heart
Cheers, reactions and comments, streak and badge moments, a weekly crew roundup, and share cards for your recap, milestones and personal bests.
Group runs and treks
Organise a run, walk, trek or ride with a meeting point, route, pace and RSVPs. Record it with your phone's GPS and it counts like any workout.
Friends on the map
See each other live during the outing, but only if you opt in for that session. "I'm OK" and "Need help" are one tap away, and the summary maps everyone's route.
Private by design
Nobody sees your kg, meals or email. Location is never shared by default, the area around your start and finish stays hidden, and live points are deleted after the session.
Know how to move
Your plan tells you how much to move. Move well shows you how, with animated how-tos, a guided player and timers on your phone and wrist.
80 exercises, 18 machines
Home, gym, recovery and pregnancy-safe moves, plus 18 gym machines, each with a how-to and an animated figure.
Workout player
Follow along set by set with a 3-2-1 count-in, rest rings, "up next" and a summary. Then a quick check-in: how hard was it, and did anything hurt?
Rest, interval and plank timers
On your phone and on Apple Watch, Wear OS and Amazfit. Plank holds track your personal best.
30-day plank challenge
From 20 seconds to 3 minutes, with rest days built in. Miss a day and it repeats rather than resets.
Gym help from your camera
Photograph a machine to find out what it is and how to use it, or film a set for form feedback. Both run on your phone.
Something hurts?
Tap where it hurts on a body map. Red-flag checks come first (emergencies go to emergency services), then a staged rehab programme with re-checks every 3 days.
Rest is part of the plan
Sleep and stress move the scale too. Mission 7700 reads your nights and your readiness, and adjusts the day for you.
Readiness score
A 0–100 score from HRV, resting heart rate and sleep, compared with your own baseline. If your device gives its own recovery score, that score is used.
Recovery-aware days
On a low-recovery day, catch-up deficits pause, fast days are skipped and quests get gentler. Food never drops because of a low score.
Full nights, with stages
Bedtime, light, deep and REM sleep, efficiency, consistency, sleep debt and a sleep score, from Apple Health, Health Connect and Amazfit, with WHOOP, Garmin and Oura on the way.
Scale stalls, explained
When the scale stalls after a run of poor sleep or low recovery, the app explains that it's often water, and shows how much fat the Fat Bank says is already gone.
Learns your metabolism
After a few weeks of weigh-ins, a measured adaptation correction keeps your burn, budget and Fat Bank in line with what your scale really does.
Wellbeing check-ins
Daily mood and stress check-ins, a 5-minute stress reset and an 8-minute sleep wind-down. Wellbeing data stays private.
Every season of life
Not everyone is here to lose weight. Choose what matters most right now, and every screen, target and suggestion from Seven follows.
- Lose weight
- Stay fit
- Get stronger
- Pregnancy
- Postpartum
- Recovery
- Wellbeing
Cycle tracking
Log periods, flow, symptoms and energy, or import them from Apple Health or Health Connect. Next-period and phase predictions are always labelled as estimates and are not for contraception.
The scale, explained
Weigh-ins around your period are flagged "likely water", so a jump is explained, not counted against you.
Pregnancy mode
No deficit and no fasting. Programmes by trimester with a pregnant-figure animation, warning signs one tap away before every session, and weight gain shown against the usual range.
Postpartum and breastfeeding
A staged rebuild: walking, breathing and pelvic floor first, then core and strength after your clinician clears you. Breastfeeding raises your intake floor and has no fasts.
Menopause mode
Track hot flushes, night sweats, sleep and joint aches alongside everything else.
Private by default
Cycle, pain and wellbeing data never reach your crew, share cards or recaps.
Apple Watch, Wear OS and Amazfit
See your day at a glance and log without picking up your phone.
Apple Watch
The Today ring with water, sleep and readiness, quick log, fasting, workouts with live heart rate, voice Ask Seven, a complication, and Siri and Shortcuts actions.
Wear OS
Today, quick log, fasting, workouts that keep the heart rate and distance your watch measured, voice Ask Seven, plus tiles and complications.
Amazfit (Zepp OS)
Today, quick log and fasting. Pair with a short code, no password needed, and your Amazfit sends steps, heart rate and sleep.
All three have rest, interval and plank timers. Quick log covers water, snacks, recent meals and weigh-ins. Home screen widgets are available on iPhone and Android.
Works with what you already wear
Steps, workouts, active energy, sleep, resting heart rate and HRV flow in from the health apps on your phone, so most watches work on day one.
Apple HealthApple Watch and anything that writes to HealthAvailable
Health ConnectGalaxy, Pixel, Wear OS and the Garmin app on AndroidAvailable
WHOOPRecovery and sleepComing soon
AmazfitZepp OS mini program, or through Apple Health and Health ConnectBeta
GarminDirect cloud connectionComing soon
StravaActivitiesComing soon
OuraSleep and readinessComing soon
PolarTraining dataComing soon
Sign in with Apple, Google or an email code, or try it as a guest first.
Calm, honest, yours
Private where it matters
Your crew never sees your weight, meals or email. Cycle, pain and wellbeing data are never shared. Your location is shared only when you choose to, for one session.
On-device where it can be
Body analysis, equipment recognition and form check run on your phone. Food photos are sent for analysis only so they can be logged.
Kind by design
Off track shows up in coral, never red, and always comes with one clear next step. Banked kilos are estimates, and there's never a reward for eating too little.
Internal beta
Start your mission
Mission 7700 is in internal testing on iPhone and Android. Join the beta to try it first and help shape it.
Not medical advice. Banked kilos and forecasts are estimates.