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Developer Tools · head to head

Azure DevOps vs Keil MDK

Azure DevOps logo

Azure DevOps

Developer Tools

Plan smarter, collaborate better, and ship faster

From
Free
Rated
-
Full reviewWebsite
Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Azure DevOps first 5 users free applies to Basic plan only; Test Plans users are not included in free tier; Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Azure DevOps and Keil MDK actually diverge.

Attributes where Azure DevOps and Keil MDK differ
AttributeAzure DevOpsKeil MDK
Pricing modelmixedfreemium

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

Azure DevOps

  • CI/CD pipelines and build automation for software development teamsnot Keil MDK
  • Source code repository management and version controlnot Keil MDK
  • Test planning and tracking for QA teamsnot Keil MDK
  • Artifact storage for packages and binariesnot Keil MDK

Keil MDK

  • Embedded software developmentnot Azure DevOps
  • ARM microcontroller programmingnot Azure DevOps
  • Professional development environmentsnot Azure DevOps

Where each one falls short

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

Azure DevOps

  • First 5 users free applies to Basic plan only; Test Plans users are not included in free tier
  • Storage pricing increases per-GiB cost as volumes grow, with no volume discount threshold below $0.25

Keil MDK

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

Pricing, plan by plan

Azure DevOps

Free
  • Basic$6/month per user
    • First 5 users free
    • Additional users $6/user/month
    • Pipelines (free tier)
  • Basic + Test Plans$52/month per user
    • All Basic features
    • Test planning, tracking, and execution
  • Azure Pipelines CI/CD - Microsoft-hosted$40/month per additional parallel job
    • 1 free parallel job with 1,800 minutes per month
    • Additional jobs at $40/month each
  • Azure Artifacts Storage$2/month per GiB
    • First 2 GiB free
    • 2-10 GiB: $2/GiB
    • 10-100 GiB: $1/GiB

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Which should you pick?

Choose Azure DevOps if

  • You want to start without paying.
Azure DevOps review

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Questions people ask

Is Azure DevOps or Keil MDK better?
Neither clearly leads. Azure DevOps starts at Free and Keil MDK at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Azure DevOps or Keil MDK?
Azure DevOps starts at Free and Keil MDK at Free.
Does Azure DevOps or Keil MDK run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Azure DevOps for free?
Both have a free tier, so you can try either at no cost before committing.
What is Azure DevOps best used for?
Azure DevOps is most often used for ci/cd pipelines and build automation for software development teams, source code repository management and version control, test planning and tracking for qa teams, artifact storage for packages and binaries. Of those, ci/cd pipelines and build automation for software development teams and source code repository management and version control are not what Keil MDK is typically brought in for.

Answered from the vendors’ own pages

Azure DevOps: How much does Azure DevOps cost?

Azure DevOps Basic plan is $6 per user per month after the first 5 users are free. Basic + Test Plans tier costs $52 per user per month. Azure Pipelines add-on for extra parallel jobs costs $40 per job for Microsoft-hosted runners and $15 per job for self-hosted runners.

Source
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
Azure DevOps: Is there a free tier for Azure DevOps?

Yes, Azure DevOps includes 5 free users on the Basic plan. Additional free allocations include 1,800 free minutes per month on Azure Pipelines with a free parallel job, 2 GiB free storage on Azure Artifacts, and free access for Visual Studio subscribers and Stakeholders with limited functionality.

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
Azure DevOps: What does the Basic + Test Plans tier add to Azure DevOps?

The Basic + Test Plans tier adds test planning and execution capabilities, browser-based testing, and centralized reporting features. This tier costs $52 per user per month compared to $6 per user for the Basic plan.

Source
Azure DevOps: How is Azure Artifacts priced?

Azure Artifacts provides 2 GiB of free storage, then charges $2 per GiB for 2-10 GiB, $1 per GiB for 10-100 GiB, $0.50 per GiB for 100-1,000 GiB, and $0.25 per GiB for over 1,000 GiB.

Source
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