Is registration to UKKO.fi free? UKKO.fi administrator August 31, 2017 15:54 Follow Yes, you can register to UKKO.fi free of charge... ... and it does not obligate you to anything. You can also cancel your registration whenever you wish. We will only take comission upon the actual payment. Read more about our pricing here. Have more questions? Submit a request 0 Comments Please sign in to leave a comment.