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Amphetamine vs KeepingYouAwake: catalog facts
Amphetamine	KeepingYouAwake
Free Free on the Mac App Store.	Free The open-source software is available without a license fee. Hosting, hardware and…
macOS	macOS
Trigger-based rules are more flexible than a basic keep-awake toggle Completely free	Provides menu-bar controls over the built-in caffeinate tool.
macOS only Some trigger setups require digging into the app's settings	Keeping the system awake can increase battery use.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
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 September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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