Go to Google Fit > Profile tab
Click on the small wheel on the top right
In Tracking Preferences, activate "Track your activities".
In your phone settings > Applications > Fit > Battery, you can disable automatic shutdown or battery optimisation so that Google Fit does not stop accounting. Also make sure that you are not in power save mode or in low battery mode, as this may cause step counting to stop.
Kiplin is not compatible with Huawei Health and Samsung Health applications.