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ComicReaderUltimate vs Comic Sticks: catalog facts
ComicReaderUltimate	Comic Sticks
Free Free to use; the repository lists a CC-BY-NC-ND-4.0 license, which is not an OSI-approved…	Free Free and open source under GPL-3.0-or-later.
Windows, macOS, Linux	Linux
Supports single pages, double pages, and continuous scrolling GPU-accelerated rendering	Searches and bookmarks comics Caches comics for offline browsing
Always runs fullscreen and has a limited GUI Does not include a library browser	Focused on xkcd comics
Downloadable app	Downloadable app
Closed source	Open source
License: CC-BY-NC-ND-4.0	License: GPL-3.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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