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Charmstone vs Thor: catalog facts
Charmstone	Thor
Paid Sold through the Mac App Store and direct download; check the store for the price.	Free Free and open source, also available from the Mac App Store.
macOS	macOS
Switches apps with one modifier key combination Uses spatial memory for quicker app focus	One shortcut per app for instant switching Available from the Mac App Store
macOS only Price not shown on the homepage	Only launches and switches apps; no search or actions macOS only
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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