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Developer Tools · head to head

RAD Studio vs SonarQube

RAD Studio logo

RAD Studio

Developer Tools

Cross-platform native app development with Delphi and C++Builder

From
$2000/perpetual
Rated
-
Full reviewWebsite
SonarQube logo

SonarQube

Developer Tools

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only SonarQube has a free tier, so it costs nothing to try first.
  • Each has a real cost: RAD Studio professional edition costs $2,000 for the perpetual license plus $599 for year one maintenance, totaling $2,599 before tax; SonarQube advanced Security add-on uses custom pricing
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which RAD Studio and SonarQube actually diverge.

Attributes where RAD Studio and SonarQube differ
AttributeRAD StudioSonarQube
Starting price$2000/perpetualFree
Pricing modelone-timesubscription
Free tierNoYes

Identical on both: platforms (Web), user rating (Not yet rated), category (Developer Tools).

What people use each for

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

RAD Studio

  • Building Windows desktop applications with VCL componentsnot SonarQube
  • Creating iOS and Android apps from shared Delphi codebasenot SonarQube
  • Connecting to Oracle databases through FireDAC connectivitynot SonarQube
  • Building REST web services that run on Linux serversnot SonarQube

SonarQube

  • Code quality analysisnot RAD Studio
  • Vulnerability detectionnot RAD Studio
  • Security scanningnot RAD Studio
  • Compliance reportingnot RAD Studio

Where each one falls short

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

RAD Studio

  • Professional edition costs $2,000 for the perpetual license plus $599 for year one maintenance, totaling $2,599 before tax
  • Enterprise edition steps up to $3,400 license plus $1,199 maintenance, and Architect edition to $4,416 license plus $2,183 maintenance
  • The perpetual license only entitles the buyer to updates for one year; continued access to new updates and upgrades requires an annually renewable Update Subscription

SonarQube

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

Pricing, plan by plan

RAD Studio

$2000/perpetual
  • Professional Edition$2000/perpetual
    • Perpetual License
    • First year maintenance $599
    • Total $2,599 + Tax
  • Enterprise Edition$3400/perpetual
    • Perpetual License
    • First year maintenance $1,199
    • Total $4,599 + Tax
  • Architect Edition$4416/perpetual
    • Perpetual License
    • First year maintenance $2,183
    • Total $6,599 + Tax

SonarQube

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

Which should you pick?

Choose RAD Studio if

Nothing in the data separates RAD Studio from SonarQube on the points above - pick on price and on how each one feels to use.

RAD Studio review

Choose SonarQube if

  • You want to start without paying.
SonarQube review

Questions people ask

Is RAD Studio or SonarQube better?
Neither clearly leads. RAD Studio starts at $2000/perpetual and SonarQube at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, RAD Studio or SonarQube?
SonarQube has a free tier; the other does not. Paid plans start at $2000/perpetual for RAD Studio and Free for SonarQube.
Does RAD Studio or SonarQube run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use SonarQube for free?
Yes. SonarQube has a free tier, so you can try it without paying. RAD Studio starts at $2000/perpetual.
What is RAD Studio best used for?
RAD Studio is most often used for building windows desktop applications with vcl components, creating ios and android apps from shared delphi codebase, connecting to oracle databases through firedac connectivity, building rest web services that run on linux servers. Of those, building windows desktop applications with vcl components and creating ios and android apps from shared delphi codebase are not what SonarQube is typically brought in for.

Answered from the vendors’ own pages

RAD Studio: How much does RAD Studio cost?

RAD Studio uses perpetual licensing: Professional Edition $2,000 perpetual license + $599 first year maintenance ($2,599 total + tax). Enterprise Edition $3,400 license + $1,199 maintenance ($4,599 total + tax). Architect Edition $4,416 license + $2,183 maintenance ($6,599 total + tax).

Source
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
RAD Studio: What is the difference between RAD Studio editions?

Professional Edition ($2,599 total + tax) targets individual developers. Enterprise Edition ($4,599 total + tax) adds multi-tier app capabilities. Architect Edition ($6,599 total + tax) includes advanced database and cloud features. All three include perpetual licenses.

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
RAD Studio: Does RAD Studio offer Kai AI integration and discounts?

Yes, adding Kai AI to any edition provides discounts: 25% off Professional ($2,136 + tax), 30% off Enterprise ($3,394 + tax), and 40% off Architect ($4,109 + tax). This promotion is active through August 31, 2026.

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
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