A few seconds.
Then you’re done.
Slide to unlock, set your weight, and save. Log once or twice a day, choose kilograms or pounds, and let reminders give you a gentle nudge.

A little less weight on your mind
Track your weight, see how it changes, and work toward your goal—whether you want to lose, gain, or stay where you are.
Weight logging stays free. Forever.

One app. Your direction.
Choose the goal that makes sense for you. Your progress colors and target tracking follow along.
A little lighter. A little closer.
A habit that fits your life
Thoughtful details make the daily part easy.
The bigger picture is there when you want it.
Slide to unlock, set your weight, and save. Log once or twice a day, choose kilograms or pounds, and let reminders give you a gentle nudge.

Explore your history, monthly changes, and a target arrival estimate with earlier and later possibilities. Start your goal today—even if your history goes back years.
Part of Premium
App screens show sample measurements. Arrival estimates change with your trend; they aren’t guarantees.
A lighter way to log
Enter your weight from Apple Watch or ask Siri to log it. Your Watch follows the measurement choices you make on your iPhone.
Connect weight data when you choose. Existing Health readings are protected when values conflict.
Apple Health integration is free.No account to create. Your readings are stored on your device. You choose whether to connect Apple Health, and you can export your history.
Read about privacyMake a little room for yourself
Have a question? Say hello.