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Developer Tools · head to head

SonarQube vs Subframe

SonarQube logo

SonarQube

Developer Tools

Code quality and code security for clean code, at every step

From
Free
Free plan
Yes
Visit SonarQubeFull review
Subframe logo

Subframe

Design

The AI-native design tool built for code

From
Free
Free plan
Yes
Visit SubframeFull review

The short version

  • Free plans on both; paid from $34/mo and $29/mo.
  • Where SonarQube falls short: advanced Security add-on uses custom pricing.
  • Where Subframe falls short: free plan limited to 1 project and 10 pages.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which SonarQube and Subframe actually diverge.

Attributes where SonarQube and Subframe differ
AttributeSonarQubeSubframe
Pricing modelSubscriptionFreemium
CategoryDeveloper ToolsDesign

Identical on both: starting price (Free), free tier (Yes), platforms (Web).

What people use each for

The jobs each tool is most often brought in to do.

SonarQube

  • Code quality analysisnot Subframe
  • Vulnerability detectionnot Subframe
  • Security scanningnot Subframe
  • Compliance reportingnot Subframe

Subframe

  • Creating production-ready interfaces without static mockupsnot SonarQube
  • Syncing design components with code as single source of truthnot SonarQube
  • Building responsive designs with auto layoutnot SonarQube
  • Real-time multiplayer collaboration with layer commentingnot SonarQube
  • Exporting Radix UI and Tailwind CSS code via CLInot SonarQube

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

SonarQube

  • Advanced Security add-on uses custom pricing
  • Only private project lines of code count toward limits

Subframe

  • Free plan limited to 1 project and 10 pages
  • Free plan includes limited AI features compared to Pro
  • Pro plan billed per editor, not per team

Pricing, plan by plan

SonarQube

Free
  • FreeFree
    • Supports up to 50000 lines of code in private projects
    • Never expires
    • Covers public projects
  • Team$34/mo
    • 30+ languages
    • Code quality standards
    • Bug and vulnerability detection
  • EnterpriseOn request
    • Advanced security reports
    • OWASP/CWE/PCI DSS compliance
    • Unlimited users and projects

Subframe

Free
  • FreeFree
    • 1 project
    • Up to 10 pages
    • 2 prototypes
  • Pro$29/mo
    • Unlimited projects
    • Unlimited pages
    • Unlimited prototypes

Which should you pick?

Choose SonarQube if

  • You want to start without paying.
SonarQube review

Choose Subframe if

  • You want to start without paying.
Subframe review

Questions people ask

Is SonarQube or Subframe better?
Neither clearly leads. SonarQube starts at Free and Subframe at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, SonarQube or Subframe?
SonarQube starts at Free and Subframe at Free.
Does SonarQube or Subframe run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use SonarQube for free?
Both have a free tier, so you can try either at no cost before committing.
What is SonarQube best used for?
SonarQube is most often used for code quality analysis, vulnerability detection, security scanning, compliance reporting. Of those, code quality analysis and vulnerability detection are not what Subframe is typically brought in for.

Answered from the vendors’ own pages

SonarQube: How much does SonarQube cost?

SonarQube offers a free tier supporting up to 50000 lines of code in private projects, a Team plan starting at $34/month, and custom Enterprise pricing. Team plan includes 14-day free trial.

Source
Subframe: Is there a free version of Subframe?

Yes, Subframe offers a free plan with 1 project, up to 10 pages, 2 prototypes, unlimited team members, and limited AI features.

Source
SonarQube: Is SonarQube free?

Yes, SonarQube offers a free tier that never expires and covers both public and private projects up to 50000 lines of code in private projects.

Source
Subframe: How is the Pro plan priced?

Subframe Pro costs $29 per editor per month, with unlimited projects, pages, prototypes, and AI usage.

Source
SonarQube: What languages does SonarQube support?

SonarQube Team plan supports 30+ languages including common programming languages. Enterprise plan adds support for 40+ languages including ABAP, COBOL, and Apex.

Source
Subframe: Are viewer seats free?

Yes, Subframe offers free viewer seats across all pricing plans, allowing team members to view without an editor license.

Source
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