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Altova UModel vs UMLGen

Altova UModel

altova.com

UMLGen

umlgen.com

Side by side

FigureAltova UModelUMLGen
Price from—Free
Free plan—Yes
Free trialYes—
Open source——
Web—Yes
WindowsYes—
Plans published31
Spec score · UML Modeling Software8.2 (#4)6.9 (#21)

Plans

Altova UModel

  • UModel 2026 Basic Edition$209, paid once
  • UModel 2026 Professional Edition$349, paid once
  • UModel 2026 Enterprise Edition$429, paid once

Altova UModel pricing →

UMLGen

  • FreeFree

UMLGen pricing →

In their own words

Altova UModel

Altova UModel has no write-up on Specifiction yet; its figures are above.

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UMLGen

UMLGen has no write-up on Specifiction yet; its figures are above.

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