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Zen Flowchart vs Microsoft Visio: catalog facts
Zen Flowchart	Microsoft Visio
Freemium Free to start, with an optional paid upgrade.	Paid Subscription plans or one-time Standard and Professional 2024 licenses, with a free trial.
Web	Windows, Web
Very simple interface with one-click node creation Real-time collaboration with view, comment and edit roles	Large library of templates, shapes and stencils Covers flowcharts, org charts, network, UML and BPMN diagrams
Deliberately limited feature set compared with full diagram suites Works online only	Paid, with several confusing plan and license options Desktop version is not available for macOS
Web application	Downloadable app, Web application
Closed source	Closed source
License not stated	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 2, 2026	Official website Full listing and sources Checked September 24, 2026

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