To start using Topface you won't need to pay a dime. Registration on Topface is free. Create a profile and upload your favorite photos, find interesting people from around the globe, send and receive Likes, and become popular in your city by being in the "Photofeed".
If you want even more, buy VIP-status: it lets you stand out from the crowd, browse profiles anonymously, get more Likes, and talk to/date as many people as possible.