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AltTab vs Contexts: catalog facts
AltTab	Contexts
Free The software is free under its open-source licence. Hosting, hardware and external…	Paid $9.99 licence with a free trial.
macOS	macOS
It switches between individual windows with live thumbnail previews instead of macOS's application-level switcher, with…	Fast fuzzy search by app name or window title Sidebar and gesture switching in addition to Command-Tab
It needs screen recording and accessibility permissions, and thumbnail previews cost some memory on a busy desktop.	Mac only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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