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Your time on Facebook/Instagram?* In the
Facebook app (only) on iOS and Android, you can find “Your Time on Facebook”.
To check the same, navigate to
More -->
Settings and Privacy, then scroll down to
'Your Time on Facebook'.
Will get a bar graph of the week, with your usage time per day, including the average amount of time you spent each day.
* On
Instagram app (only), go to
More -->
Settings -->
Your ActivityNote:
Currently, the numbers in the bar graph indicate only how much time you spend on Facebook or Instagram apps on that single device. And no desktop data available for now.*