How to set up sync for Strava (iPhone)?

Stayfitt receives workout data from Apple Health (for iPhone) and Google Fit (for Android) trackers pre-installed on your smartphone. To share workout data connect the Strava app to your Apple Health or Google Fit trackers. When sync is set up, Strava Strava transfers all your activity data, except for the number of steps when you walk.
Workouts and activities from Apple Health and Google Fit are synced and downloaded with every login to Stayfitt.

Steps to set up automatic syncing of Strava
Step 1: Install and set up Strava app
Step 2: Set up Strava to sync with Apple Health – you can do this in the app’s connection menu

Open Strava app
Click the Gear icon in the upper right corner
Select Applications, Services and Devices / Health
Enable Send to Health

Step 3: Make sure Stayfitt is set up to sync with Apple Health app

Go to the "Settings" screen in Stayfitt app
Open "Trackers" tab
Enable Apple Health

Step 4: Set up activity transfer from Apple Health app

Find the Apple Health app icon on your iPhone screen and open the app
Click on your profile icon in the top right corner of the screen
Click on the Apps tab
Find the Stayfitt app in the list and go to the apps tab (чего-то я не догоняю, что это значит)
Make sure all activity toggles are turned on. Data from these activities will be automatically uploaded from Apple Health to Stayfitt. Workouts and activities from Apple Health will be synced and downloaded with every login to Stayfitt