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Moqups vs Whimsical: catalog facts
Moqups	Whimsical
Freemium Free sign-up with no credit card required, with paid plans for more use.	Freemium Free to start, with paid plans for more features.
Web	Web
Wireframes, diagrams and prototypes in one workspace Real-time editing and commenting	Diagrams and wireframes in one tool Real-time editing with comments
Requires an account and works online only Less suited to detailed visual design than dedicated UI design tools	Boards are stored in Whimsical's cloud Some features are in paid plans
Web application	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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