How to view the streaming activity of your Netflix account
You will now see the date wise streaming activity of all the devices that use your credentials. Go through the list and if you spot an unknown device, then you have successfully found the culprit. This feature is used even in a general case, just to keep track of how much streaming is ongoing on the devices that have logged into.
If you want to stream content on Netflix on your smartphone, the links to download the apps is given below –