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