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Petal vs Logically: catalog facts
Petal	Logically
Freemium Free to start, with paid options for more use.	Freemium Pricing is not shown on the fetched page; check the site for current plans.
Web	Web
Answers cite the source documents Document storage with automatic metadata extraction	Reference management and AI chat in one workspace Answers backed by citations
Documents are stored in Petal's cloud Requires an account	Web only Pricing details not published on the homepage
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Account 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.