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PicView vs Lyn: catalog facts
PicView	Lyn
Free The software is free under its open-source licence. Hosting, hardware and external…	Paid Paid app with a fully featured 15-day free trial.
Windows, macOS	macOS
It opens almost every image format including animated WebP and GIF, SVG, AVIF, HEIC, PSD and comic book…	Reads RAW, HDR and all formats macOS supports Non-destructive editing with curves and levels
It is a viewer with light editing only, and there is no Linux build.	macOS only Paid after the 15-day trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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