Compare software

VSDX AnnotatorMicrosoft Visio
Freemium

Free download from Nektony and the Mac App Store; the cost of full features is not stated…

 Paid

Subscription plans or one-time Standard and Professional 2024 licenses, with a free trial.

macOS Windows, Web
  • Opens VSD, VDX and VSDX files with formatting intact
  • Adds notes and graphics to existing drawings
  • Large library of templates, shapes and stencils
  • Covers flowcharts, org charts, network, UML and BPMN diagrams
  • macOS only
  • Annotation tool rather than a full Visio replacement
  • Paid, with several confusing plan and license options
  • Desktop version is not available for macOS
Downloadable app 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
Works offline Not stated if it works offline

Checked October 2, 2026

Checked September 24, 2026

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