Compare software

Litmaps vs OpenRead: catalog facts
Litmaps	OpenRead
Freemium Free sign-up with paid plans for more features.	Freemium Free tier available, with a paid Pro plan.
Web	Web
Visual citation maps from seed papers Alerts for new papers on a topic	Search across more than 300 million papers Compare several papers to spot agreements and contradictions
Not usable for building maps on small phone screens Advanced features are on paid plans	Web only, no desktop app Advanced features sit behind the Pro plan
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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