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Polarr vs XnRetro: catalog facts
Polarr	XnRetro
Freemium Free apps are available; pricing for advanced features is not stated on the homepage.	Free Free download from the developer's site.
Windows, macOS, Android, iOS, Web	Windows, macOS, Linux
Large library of creator-made filters Apps for phones, desktop and the browser	Many color, light and frame effects in one place Basic adjustments such as contrast, saturation and vignetting
Polarr Next is still in beta Closed source	Focused on retro effects rather than general photo editing Closed source
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
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 23, 2026	Official website Full listing and sources Checked October 1, 2026

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