And that's it! Starting a public review on sysrev is free. Get a Pro Account ($10 / month) to create private projects and a Team Account ($30/month) if you want share your account with multiple administrators.
Sysrev has many additional tools to help you throughout your systematic review. You can apply labels to articles, annotate text in documents, use advanced collaboration features, review pdfs, and much more. You can learn more about how to use these features on our wiki page.