"Minutes" is the in-app currency you use when you set time limits, go to DND mode, etc. Users can earn them in many ways: some are given for free to all users, some for free for users who login via Facebook. Users may also get the "minutes" by sharing the WP app on Facebook or watching the rewarded ads. Ultimately, in-app purchases are also available. Users who login via Facebook are rewarded (one-time bonus) with 120 minutes. With Facebook sharings users may claim up to additional 10 minutes per day. Users who want to login to their account from multiple devices shall always login via Facebook.