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Pomatez vs Koncentro: catalog facts
Pomatez	Koncentro
Free Free and open source.	Free Free and open source under GPL-3.0-or-later.
Windows, macOS, Linux	Windows, macOS, Linux
Customisable Pomodoro rules Built-in task list	Combines timed work sessions and task lists Supports separate workspace settings
Full-screen breaks do not support multiple monitors Keyboard shortcuts cannot be customised	Website blocking uses a local proxy server Assumes no other proxy server is in use
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.