Fast with a plan, see exactly how far you are from your target BMI, and watch a projected goal date get closer with every weigh-in. Do it together with a buddy.
For informational and educational purposes only. Not a substitute for professional medical advice. Fasting is not right for everyone.

A fasting tracker, a BMI goal planner, and gentle accountability, wrapped in a design that stays out of your way.
A live timer with a ring that fills as you go. Popular schedules from 12:12 to OMAD, or set your own.
Pick a target BMI and see exactly how many pounds or kilos stand between you and it, with milestones along the way.
A trend line through your recent weigh-ins projects when you'll reach your goal, and flags a pace that's too fast.
Your fast on the Lock Screen and Dynamic Island, plus Home Screen widgets for your streak and distance to goal.
Pair with a friend and see each other's weight lost and streak. A little accountability goes a long way.
Connect Apple Health to see today's steps from Apple Watch and iPhone, with a nudge as you close your goal.
Log your weight and watch the trend move toward your target, with a goal line and flexible time ranges.
Your data stays on your device and in your own iCloud. Nothing is collected, shared, or sold.
A plain-English guide to the stages of a fast, what breaks one, and who should be careful, with cited sources.
Switch freely between pounds and feet or kilos and centimeters. Everything converts instantly.





Pair up with a friend over iCloud and see each other's weight lost and streak, right on the Today screen. Send a bit of encouragement when they need it, or a little friendly competition when you're ahead.

Every weigh-in updates a trend line that projects when you'll reach your target weight. It's the most motivating number the app can show, and it gently flags a pace faster than about two pounds a week.

BMI Pathway collects nothing. Your weight and fasting history live on your device and sync through your own private iCloud. Apple Health data is read on your device only. There are no accounts, no ads, and no tracking. Read the privacy policy.
Free on the App Store. Set a target, pick a fasting plan, and see how far you have to go.
Download on theApp Store