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Polarr vs Darkroom: catalog facts
Polarr	Darkroom
Freemium Free apps are available; pricing for advanced features is not stated on the homepage.	Freemium Free to try; full editing tools require a one-time purchase or subscription.
Windows, macOS, Android, iOS, Web	iOS
Large library of creator-made filters Apps for phones, desktop and the browser	Edits happen non-destructively directly against the existing Photos library Supports RAW editing and batch operations
Polarr Next is still in beta Closed source	iOS-focused, not a full desktop editor Full toolset requires unlocking the paid version
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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