We'll be really sad to see you go, but yes you can close your account whenever you like.
To do this please just email us at firstname.lastname@example.org with your request or message us in our in-app chat.
If you ever come to this decision then we'd be really grateful if you could give us a little bit of feedback on why. Is it tickr related? Is there anything we can do which might change your decision? Is there anything we're missing for you or which we can improve on?
Your feedback in these instances really help us improve our app and service for our users.