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World Anvil vs Plot Factory: catalog facts
World Anvil	Plot Factory
Freemium Free to start with no credit card; details of any paid plans are not covered here.	Freemium Signing up is free; see the site for current plan details.
Web	Web
Combines worldbuilding wiki, campaign manager and novel planning Campaign setup for more than 100 RPG systems	Worldbuilding, character and plot planning next to the manuscript Works in a mobile browser with no installation
Requires an account and an internet connection Your world lives on World Anvil's servers rather than in local files	Online only, with your stories stored on the service Requires an account
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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