Compare software

Vitamin-R vs Mater: catalog facts
Vitamin-R	Mater
Paid One-time purchase with a 14-day free trial.	Free Free and open source under the MIT licence.
macOS	macOS
Structured focus sessions with a clear objective Quick capture of distractions during a session	Unobtrusive menu bar interface Time can be adjusted by dragging while running
macOS only Paid after the 14-day trial	macOS only No published GitHub releases
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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