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Developer Tools · head to head

Keil MDK vs SonarQube Cloud

Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Rated
-
Full reviewWebsite
SonarQube Cloud logo

SonarQube Cloud

Software Development

Cloud-based static code analysis for detecting bugs, vulnerabilities, and code smells.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site; SonarQube Cloud free tier limited to 50k lines of code for private projects.

Where they differ

Only the attributes on which Keil MDK and SonarQube Cloud actually diverge.

Attributes where Keil MDK and SonarQube Cloud differ
AttributeKeil MDKSonarQube Cloud
PlatformsWebweb, api
CategoryDeveloper ToolsSoftware Development

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Keil MDK

Nothing recorded that SonarQube Cloud does not also cover.

Only in SonarQube Cloud

  • Static code analysis
  • Secrets detection
  • Pull request decoration
  • AI-driven code fixes
  • Compliance reporting
  • SCM integration

What people use each for

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

Keil MDK

  • Embedded software developmentnot SonarQube Cloud
  • ARM microcontroller programmingnot SonarQube Cloud
  • Professional development environmentsnot SonarQube Cloud

SonarQube Cloud

  • Enforcing code quality gates on pull requestsnot Keil MDK
  • Detecting security vulnerabilities in cloud-hosted repositoriesnot Keil MDK
  • Scanning for exposed secrets before mergenot Keil MDK
  • Meeting compliance standards like PCI DSSnot Keil MDK
  • Tracking code quality trends across teamsnot Keil MDK

Where each one falls short

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

Keil MDK

  • Pricing for Essential and Professional subscriptions not disclosed on primary site
  • Customers must contact Arm Developer Tools store for subscription rates

SonarQube Cloud

  • Free tier limited to 50k lines of code for private projects.
  • Base Team pricing only covers up to 100,000 lines of code before extra charges apply.
  • Enterprise-grade compliance features require a custom-quoted Enterprise plan.
  • Primarily analysis-focused; lacks the runtime and cloud-workload protection of full CNAPP platforms.

Pricing, plan by plan

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

SonarQube Cloud

Free
  • FreeFree
    • Private project up to 50k lines of code
    • Public/open-source projects free
  • Team$34/month
    • Up to 100,000 lines of code
    • 30+ languages
    • Bug and vulnerability detection
  • Enterprise$undefined/month
    • Advanced security reports
    • Audit logs
    • SSO/SCIM

Which should you pick?

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Choose SonarQube Cloud if

  • You need static code analysis.
  • You want to start without paying.
  • You work on web, api.
  • You also want secrets detection.
SonarQube Cloud review

Questions people ask

Is Keil MDK or SonarQube Cloud better?
Neither clearly leads. Keil MDK starts at Free and SonarQube Cloud at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keil MDK or SonarQube Cloud?
Keil MDK starts at Free and SonarQube Cloud at Free.
Does Keil MDK or SonarQube Cloud run on more platforms?
Keil MDK runs on Web. SonarQube Cloud runs on web, api.
Can I use Keil MDK for free?
Both have a free tier, so you can try either at no cost before committing.
What is Keil MDK best used for?
Keil MDK is most often used for embedded software development, arm microcontroller programming, professional development environments. Of those, embedded software development and arm microcontroller programming are not what SonarQube Cloud is typically brought in for.
What can Keil MDK do that SonarQube Cloud cannot?
SonarQube Cloud covers Static code analysis, Secrets detection, Pull request decoration, AI-driven code fixes.

Answered from the vendors’ own pages

Keil MDK: Does Keil MDK have a free version?

Yes, Keil MDK Community Edition is free for non-commercial projects. Essential and Professional editions are available as monthly or annual subscriptions.

Source
SonarQube Cloud: What does SonarQube Cloud cost?

The Team plan starts at $34/month for up to 100,000 lines of code, while Enterprise pricing is custom and quoted annually with additional compliance and SSO features.

Source
Keil MDK: How much do Keil MDK paid editions cost?

Specific pricing for Essential and Professional editions is not published on the main site. Rates are available from the Arm Developer Tools store or by contacting Arm sales.

Source
SonarQube Cloud: Is there a free plan, and what are its limits?

Yes, the free tier lets you explore SonarQube Cloud on a private project up to a maximum of 50,000 lines of code; public projects are free.

Source
SonarQube Cloud: How is usage metered?

Billing is based on lines of code in the largest branch of a project; how often analysis runs does not affect the price.

Source
SonarQube Cloud: Can I change or cancel my plan?

There is no commitment on the Team plan, and customers can downgrade to the free tier at any time.

Source
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