If you click on 'Account settings', you'll see a red link in the bottom of the page that says 'Submit a request that your account be deleted'.
IMG OF ACCOUNT DELETE LINK
Clicking on that link will take you to a contact form where you'll simply need to enter your email address and say 'Please delete my account'. We'll take care of your deletion request in at most 24 hours.
Need help with Mocksup?
Browse the FAQ topics to the left or, if you still have questions or are having a problem with the app, file a new support request.
File a support request