The Personal Plus one, for individual users, which includes integrations and other features, is around 5.5 USD per month or 52 USD per year. The Studio plan for companies, which includes more features, is around 8.6 USD per seat / month or 78 USD per seat / year.
This will start next Moday, when we release 1.0, and a 2-week trial period will be available. At the moment, you can preorder them at a 33% discount.