Questions about Fitbit Aria Air

You do not need a special Fitbit subscription to connect and analyse the Fitbit Aria Air personal scale. The functions of the scale can be used with the free version of the Fitbit app. - You can connect the scale to the Fitbit app and track your weight data and trends over time without the need for a paid plan. - The free version of the app allows you to store and track your weight data and combine it with other health data you collect with your Fitbit device.

Goes via Bluetooth 👍

The scale has a "button" at the back to change the unit. (It's in the manual)

Unfortunately, we cannot make a remote diagnosis. Therefore, it is best to contact fitbit support directly: https://help.fitbit.com/?l=de&cu=1&fs=ContactUs

Yes

Yes, well... Why don't you type the question into Google? Is it possible to connect Fitbit with Apple Health? Mac & i answers: Unfortunately, Fitbit does not offer syncing with Apple Health. You can only achieve this via third-party apps such as "Sync Solver for Fitbit".16.11.2022