Tech riderRev. 20 Sept 2026
- 1Runs onWindows, Mac, Linux
- 2Costspaid from $129/mo
- 3Real-time collaborationYes
- 4Diagram typesUML 2, entity-relationship, data flow, flowchart, mindmap, C4, SysML, BPMN, UI wireframe, AWS architecture, GCP architecture, Azure architecture
4 lines stated Written from the maker's own pages: staruml.io

Overview
StarUML is ranked #33 of 45 in diagramming software on Specifiction, made by StarUML (Seoul, Republic of Korea). It runs on Windows, macOS, Linux. There is no free plan. Paid plans start at $129/mo.
StarUML plans and pricing
All plansStarUML V7 Standard $129/mo One-time payment; use forever; VAT excluded 1+ devices staruml.io · 20 Sept 2026
StarUML V7 Professional $199/mo One-time payment; use forever; VAT excluded 1+ devices staruml.io · 20 Sept 2026
Compared on diagramming software
- Free plan
- Nostaruml.io
- Real-time collaboration
- Yesstaruml.io
- Diagram types
- UML 2, entity-relationship, data flow, flowchart, mindmap, C4, SysML, BPMN, UI wireframe, AWS architecture, GCP architecture, Azure architecturestaruml.io
Company
- Headquarters
- Seoul, Republic of Koreastaruml.io · 28 Sept 2026
Best StarUML alternatives
See all 12 All accessCh 01 EdrawMax Free planFree trialAndroid from $5.90/mo8.0 All accessCh 02 Ilograph Free planFree trialAPI Free to start7.8 All accessCh 03 Creately Free planFree trialAPI Free to start7.6 All accessCh 04 draw.io Free planWebWindows Free to start7.6 All accessCh 05 Camunda Free planFree trialAPI Free to start7.5 All accessCh 06 Microsoft Visio Free trialMacWeb from $5/mo7.5
Where it ranks on Specifiction
- Best Diagramming Software in 2026#33 of 45
- Best Diagram Software in 2026#22 of 37
- Best UML Modeling Software in 2026#16 of 24
Is StarUML yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- staruml.io· checked 28 Sept 2026
- staruml.io/pricing/· checked 20 Sept 2026




