If you see data on your Google Fit but not on inKin, it means that the Google Fit app doesn't pass data to their server.
Please log out of your Google Fit app and log in again to reboot the syncing.
Additional reading:
What Do I Do If My Data Has Stopped Syncing?
My Xiaomi Mi Band Has Stopped Syncing. What Can I Do?
I Forgot To Sync My Fitness Device. Will I Lose That Day’s Information?
How Do I Sync My Data To My Contests (Challenges, Competitions, Team Battles)?