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Nightfall vs One Switch: catalog facts
Nightfall	One Switch
Free Free to download from GitHub or Homebrew.	Paid One-time lifetime license with free updates after a 7-day trial; also in Setapp.
macOS	macOS
One click to toggle dark mode Lightweight native Swift app	Several common toggles in one menu bar item Keep-awake and hide-desktop switches built in
Does one job only macOS only, Catalina or later	macOS only, Monterey or later Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License not stated	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 1, 2026	Official website Full listing and sources Checked September 24, 2026

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