Is registration to UKKO.fi free? UKKO.fi administrator July 30, 2018 05:59 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 commission 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.