MTCaptcha offers 30 day free trial to new accounts on registration for paid plans. During this trial period the account is completely free and can be cancelled any time without incurring any charges. If the account continues to be active after the 30 days trial period, charges will be incurred from then on invoiced on a monthly pro-rated basis and the total number of sites active. This means the first 30 days of any newly created account is always completely free.
Account can be cancelled via the Account settings within the MTCaptcha Admin Portal ( https://admin.mtcaptcha.com ).