when you say "upgrade later" (under the second "create an account" button) people will think it will require them to upgrade at some point just to continue using the essentials they got for free or that the features of the free version aren't enough and that is the reason why you needed to tell them in advance.
you don't need to tell people that your freemium is a freemium right off the bat.
change the text of the second "create an account" button to "start for free!" are something similar that implies they can start for free without specifying whether it will always stay free and then remove the "Start for free, upgrade later - No credit card required." entirely. if you listen to my advice that is.
and about your logo. it looks fairly classic and therefore has too much contrast from your overall branding which is leaned towards a modern look. dm me if you are interested in a logo design.
ps. since you have a link shortener it might be interesting to you that a one-letter domain was available a few days ago, namely e.ms for only 56 dollars annually. I wished it bought it