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Kasasa vs PixPin: catalog facts
Kasasa	PixPin
Free Free and open source under GPL-3.0-or-later.	Freemium Free to download and use, with some features reserved for a paid membership.
Linux	Windows, macOS
Pins screen snippets in a floating window Window can shrink or fade to avoid blocking content	Pins screenshots, text and colors to the screen as floating notes Scrolling long screenshots and built-in OCR
Linux only Relies on desktop settings for always-on-top behaviour	Website and documentation are mainly in Chinese Some features require a paid membership
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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