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Paperback vs Komikku: catalog facts
Paperback	Komikku
Free No ads; the site does not list any charges.	Free Free and open source.
iOS	Android
No ads Extensions add content sources	Free and open source Extension system for adding sources
iOS and iPadOS only Content depends on third-party extensions	Android only Not distributed through Google Play
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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