Compare software

Koncentro vs Focus To-Do: catalog facts
Koncentro	Focus To-Do
Free Free and open source under GPL-3.0-or-later.	Freemium Free to download; the homepage does not detail any premium pricing.
Windows, macOS, Linux	Windows, macOS, Android, iOS
Combines timed work sessions and task lists Supports separate workspace settings	Pomodoro timer and task list in one app Reminders, repeating tasks and subtasks
Website blocking uses a local proxy server Assumes no other proxy server is in use	No Linux version Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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