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Developer Tools · head to head

Keil MDK vs Maze

Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite
Maze logo

Maze

Technology

The continuous product discovery platform

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site; Maze maze publishes no prices on its pricing page; every plan routes to contact sales, so pricing is by quote only with no published rate or minimum
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Keil MDK and Maze actually diverge.

Attributes where Keil MDK and Maze differ
AttributeKeil MDKMaze
Pricing modelfreemiumsubscription
PlatformsWebWeb, Mobile, Api
CategoryDeveloper ToolsTechnology
FoundedUnknown2018

Identical on both: starting price (Free), 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 Maze does not also cover.

Only in Maze

  • Prototype testing
  • Usability testing
  • Card sorting
  • Tree testing
  • Surveys
  • 5-second tests
  • A/B testing
  • Analytics dashboard

What people use each for

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

Keil MDK

  • Embedded software developmentnot Maze
  • ARM microcontroller programmingnot Maze
  • Professional development environmentsnot Maze

Maze

  • User research and testingnot Keil MDK
  • AI-powered moderation featuresnot Keil MDK
  • Prototype and website testingnot Keil MDK
  • User feedback panelsnot 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

Maze

  • Maze publishes no prices on its pricing page; every plan routes to contact sales, so pricing is by quote only with no published rate or minimum
  • The AI study builder, AI moderated interviews and moderated interview studies are Enterprise only
  • Mobile testing and testing through the Maze mobile app are Enterprise only
  • Interview scheduling, card sorting and information architecture testing are Enterprise only
  • Role-based access, SSO and compliance controls are Enterprise only
  • Panel recruitment is available on all plans but with stated limits, and prototype testing carries limits below Enterprise
  • Qualitative analysis of clip recordings, interview transcription and automated theme analysis are Enterprise only

Pricing, plan by plan

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Maze

Free
  • FreeFree
    • 1 active project
    • Preview link testing
    • Basic analytics
  • Starter$75/month
    • 3 active projects
    • Unlimited responses
    • Advanced analytics
  • Team$150/month
    • Unlimited projects
    • Team collaboration
    • Custom branding
  • Enterprise$undefined/month
    • Everything in Team
    • SSO
    • Dedicated CSM

Which should you pick?

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Choose Maze if

  • You need prototype testing.
  • You want to start without paying.
  • You work on Web, Mobile, Api.
  • You also want usability testing.
Maze review

Questions people ask

Is Keil MDK or Maze better?
Neither clearly leads. Keil MDK starts at Free and Maze at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keil MDK or Maze?
Keil MDK starts at Free and Maze at Free.
Does Keil MDK or Maze run on more platforms?
Keil MDK runs on Web. Maze runs on Web, Mobile, 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 Maze is typically brought in for.
What can Keil MDK do that Maze cannot?
Maze covers Prototype testing, Usability testing, Card sorting, Tree testing.

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
Maze: Does Maze offer a free trial or freemium tier?

Maze site indicates 'Try Maze for free' option, suggesting free tier or trial availability, but specific terms and limitations not stated on main page.

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
Maze: Can I request a custom demo if standard plans don't fit my needs?

Yes, Maze offers 'Request a demo' option, indicating willingness to discuss custom requirements and potentially custom pricing arrangements.

Source
Maze: What testing capabilities does Maze include in paid plans?

Maze features AI Moderator, prototype testing, panel recruitment, and website testing capabilities across plans, but specific feature tiers and pricing not disclosed publicly.

Source
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