Softwr

Developer Tools · head to head

Keil MDK vs Userpilot

Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite
Userpilot logo

Userpilot

Technology

Product analytics and in-app onboarding 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; Userpilot starter tier limited to 2,000 monthly active users; even small-to-medium products may require Growth tier
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where Keil MDK and Userpilot differ
AttributeKeil MDKUserpilot
Pricing modelfreemiumsubscription
PlatformsWebWeb, iOS, Android, API
CategoryDeveloper ToolsTechnology

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

What people use each for

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

Keil MDK

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

Userpilot

  • SaaS companies optimising user onboarding and activationnot Keil MDK
  • Product teams collecting user feedback and identifying churn drivers via session replaynot Keil MDK
  • Customer success teams using in-app guides and contextual helpnot Keil MDK
  • Growth teams orchestrating multi-channel campaigns across email and in-appnot Keil MDK
  • Product managers measuring adoption and engagement across user cohortsnot 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

Userpilot

  • Starter tier limited to 2,000 monthly active users; even small-to-medium products may require Growth tier
  • Large price jump from Starter ($299/mo) to Growth ($849/mo), nearly 3x increase
  • Growth tier scales to 100,000 MAU but does not publish pricing for higher volumes, requiring Enterprise negotiation
  • Session replay and mobile engagement are optional add-ons in Growth tier, not included in base pricing
  • Enterprise pricing not published; custom negotiations required for large-scale deployments

Pricing, plan by plan

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Userpilot

Free
  • Starter$299/month
    • Up to 2,000 monthly active users
    • In-app engagement
    • User segmentation
  • Growth$849/month (marked 'Most Popular')
    • 2,000 to 100,000 monthly active users
    • All Starter features
    • Advanced product analytics
  • Enterprise$undefined/variable
    • Custom monthly active user levels
    • All Growth features
    • Premium integrations

Which should you pick?

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Choose Userpilot if

  • You want to start without paying.
  • You work on Web, iOS, Android, API.
Userpilot review

Questions people ask

Is Keil MDK or Userpilot better?
Neither clearly leads. Keil MDK starts at Free and Userpilot at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keil MDK or Userpilot?
Keil MDK starts at Free and Userpilot at Free.
Does Keil MDK or Userpilot run on more platforms?
Keil MDK runs on Web. Userpilot runs on Web, iOS, Android, 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 Userpilot is typically brought in for.

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
Userpilot: What is included in the free trial?

Userpilot offers a free 14-day trial without requiring a credit card, providing full access to the Starter tier 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
Userpilot: Does Userpilot include session replay?

Session replay is available in the Growth tier as an optional add-on for watching real user sessions and identifying friction points.

Source
Userpilot: What integrations does Userpilot support?

Userpilot integrates with HubSpot, Salesforce, Segment, Google Analytics, Amplitude, Mixpanel, Heap, Zendesk, Intercom and Google Tag Manager. Additional integrations can be requested.

Source
Share

Related pages

More on Keil MDK

More on Userpilot

Keep looking

Other head to heads