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DarkModeBuddy vs One Switch: catalog facts
DarkModeBuddy	One Switch
Free Free and open source under the BSD-2-Clause license.	Paid One-time lifetime license with free updates after a 7-day trial; also in Setapp.
macOS	macOS
Switches theme by actual room brightness rather than clock time Lightweight background utility	Several common toggles in one menu bar item Keep-awake and hide-desktop switches built in
macOS only Depends on a Mac with an ambient light sensor	macOS only, Monterey or later Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: BSD-2-Clause	License not stated
No account needed	No account 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 September 24, 2026

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