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Capsomnia vs Lungo: catalog facts
Capsomnia	Lungo
Free Free and open source under the MIT license.	Free Available from the Mac App Store and as a direct download.
macOS	macOS
Uses the Caps Lock key as a physical keep-awake switch Supports closed-lid MacBook work	One-click keep-awake from the menu bar Options to pause when locked or on battery
The signed installer requires macOS 14 or later on Apple silicon Source installation requires macOS 13.5 or later on Intel	macOS only Clamshell mode needs a charger and external display
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 24, 2026

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