The free version run just for 10 minutes.
Too short to test for connectivity consistency, especially when a lot of the people in the reviews complains about connectivity problems when the app is in background or when the screen is off.
I would love to send the frequency data to Google Fit.
From my understanding Xiaomi does not store the data foreverer and Xiaomi servers are not interoperable with other services.
I selected Google Fit Sync with MI Fit, and it works with steps but does not work for the hearth rate.
Also I noted...