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MockFlow vs WireframeSketcher: catalog facts
MockFlow	WireframeSketcher
Freemium A free plan is available; paid plans add features and AI credits.	Paid A license is required to save work after the 14-day evaluation.
Web, Browser extension	Windows, macOS, Linux
Combines whiteboards, wireframes, diagrams, and prototypes Exports editable layers to Figma	Creates wireframes and prototypes for multiple screen types Works standalone or as an Eclipse plug-in
AI features use monthly credits on the free plan	Saving work requires a license after the 14-day evaluation
Web application, Hosted service, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
Not stated if an account is 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 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.