Side by side
draw.io vs Structurizr
Both stand on diagramming tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source WebWindowsMac+3
draw.io offers a broad set of diagram types, collaboration, and flexible storage choices at no cost. Teams that require Enterprise SSO should note that no such tier is listed.
Visit draw.io
Free plan Open source APILinuxMac+3
Structurizr brings model-based architecture diagrams, multiple editing options, and export tools together. Check the per-installation user bands and hosting details against your team’s requirements.
Visit StructurizrThe facts
| draw.io | Structurizr | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Yes |
| Runs on | Web, Windows, Mac, Linux, iPhone, Android | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | Server 1-20 unique users: £300 a month |
| Plans published | 1 | 23 |
| Maker | draw.io | Structurizr |
| Website | drawio.com | structurizr.com |
| On diagramming tools | #1 of 46 | #2 of 46 |
draw.io: what it does well
- Free and open source
- No sign-up or credit card required to start
- Supports real-time collaboration
- Desktop app allows local saving
- Imports and exports multiple diagram formats
What to know first
- No Enterprise tier for SSO
- Support channels listed are GitHub Discussions and Stack Overflow
Structurizr: what it does well
- Creates multiple architecture views from one C4 model.
- Diagrams are interactive, animatable, and embeddable.
- CLI exports workspace views to PlantUML, Mermaid, or HTML.
- Free plan and 14-day trial are available.
What to know first
- Paid server licenses apply per installation and user band.
- Free open-core server has no authentication and public workspaces.
- Cloud data is hosted in AWS US-East-1.
- Cannot sign Section 889 compliance forms.
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