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