Betternet is a free VPN service for everyone. You can use it without paying even a cent.
Beside our free version, we also offer the premium version of our app to those who need to choose what servers they want to connect to: The United States, Canada, Germany, The Uk , etc. . To check the advantages of our premium service you can read Differences between Betternet free and premium article.
Remember that upgrading to premium level is not obligatory!