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Mater vs Focus: catalog facts
Mater	Focus
Free Free and open source under the MIT licence.	Paid Paid app with a free trial download.
macOS	macOS
Unobtrusive menu bar interface Time can be adjusted by dragging while running	Blocks both websites and applications Pomodoro timers, schedules and profiles
macOS only No published GitHub releases	macOS only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
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 2, 2026	Official website Full listing and sources Checked October 1, 2026

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