How to know if someone is following me on Snapchat ?
Open the app and drag the ghost down from the top of the screen. You’ll see your Snapcode. At the bottom of the screen select “My Friends.”
Next tap on the name of one of your friends.
Next, your friend’s username and Snapcode will pop up. If you can see their Snapchat score (a number derived from the number of snaps a user has sent and received) under their name, that person is following you.
If there is no number next to their username, that person is not following you.