Waistline is a tool that helps you track your waist size easily. It connects with Apple Health and works even if you don't have your iPhone with you.
The design is simple and clean. It supports widgets on the Apple Watch.
There are no ads, no need to log in, and your data is safe. It works on all Apple Watch models from Series 1 and newer.
What maker says:
This is a nice and simple tool for the Apple Watch to track your waist.
It connects smoothly with Apple Health. There was one issue, but it got fixed quickly.
It's highly recommended!