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Jiggler vs Lungo: catalog facts
Jiggler	Lungo
Free Freeware with no payment options.	Free Available from the Mac App Store and as a direct download.
macOS	macOS
Prevents both sleep and screensaver Idle-only mode for use while working	One-click keep-awake from the menu bar Options to pause when locked or on battery
Infrequent updates, and the page still references iTunes and disc burning Works by moving the mouse rather than using system sleep controls	macOS only Clamshell mode needs a charger and external display
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	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.