Why is it free?

Break Reminder has no ads and sells nothing. Instead, with your permission, it shares a small part of your unused internet connection through EarnFM.

What is shared: Spare bandwidth, while Break Reminder runs and your PC is online. EarnFM's network carries requests for businesses, for things like price comparison and ad verification. Some of them go out through your connection, so websites see your IP address. EarnFM processes your IP address, a device ID and the record of your consent.
Downloading isn't agreeing: Nothing is shared until you choose "Agree and continue" on the app's first screen. If you say no, the app quits.
Share only what you may: Use it on a device and connection you're allowed to share. On a work or school network, ask first. On a metered or mobile connection, sharing can use data you pay for.
Stopping: Uninstall Break Reminder and sharing stops right away. Quitting the app pauses it until the app starts again. How to uninstall
Who runs it: EarnFM is operated by TeraShift GmbH, Switzerland, which also publishes Break Reminder.