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Developer Tools · head to head

Keil MDK vs Sublime Text

Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite
Sublime Text logo

Sublime Text

Technology

A sophisticated text editor for code, markup and prose

From
$99/license
Free plan
No
Full reviewWebsite

The short version

  • Only Keil MDK has a free tier, so it costs nothing to try first.
  • Each has a real cost: Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site; Sublime Text personal license requires payment after evaluation period
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Keil MDK and Sublime Text actually diverge.

Attributes where Keil MDK and Sublime Text differ
AttributeKeil MDKSublime Text
Starting priceFree$99/license
Pricing modelfreemiumone-time
Free tierYesNo
PlatformsWebWindows, Macos, Linux
CategoryDeveloper ToolsTechnology
FoundedUnknown2007

Identical on both: 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 Sublime Text does not also cover.

Only in Sublime Text

  • Lightning fast performance
  • Multiple selections
  • Command palette
  • Instant project switch
  • Plugin ecosystem
  • Customizable UI
  • Advanced search and replace
  • Split editing

What people use each for

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

Keil MDK

  • Embedded software developmentnot Sublime Text
  • ARM microcontroller programmingnot Sublime Text
  • Professional development environmentsnot Sublime Text

Sublime Text

  • Editing code and text files in a fast native desktop editornot Keil MDK
  • Working across large files and projects with multi cursor editingnot 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

Sublime Text

  • Personal license requires payment after evaluation period
  • Business licenses use annual subscription model requiring renewal
  • After 3 years of updates on personal license, upgrade required for continued updates

Pricing, plan by plan

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Sublime Text

$99/license
  • Personal License$99/one-time
    • One license for all computers and operating systems
    • 3 years of updates
    • Free evaluation available
  • Business License - 1-10 seats$65/year
    • Per seat annual subscription
    • Volume discount for 11-25 seats at $60
    • Further discount for 26+ seats

Which should you pick?

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Choose Sublime Text if

  • You need lightning fast performance.
  • You work on Windows, Macos, Linux.
  • You also want multiple selections.
Sublime Text review

Questions people ask

Is Keil MDK or Sublime Text better?
Neither clearly leads. Keil MDK starts at Free and Sublime Text at $99/license, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keil MDK or Sublime Text?
Keil MDK has a free tier; the other does not. Paid plans start at Free for Keil MDK and $99/license for Sublime Text.
Does Keil MDK or Sublime Text run on more platforms?
Keil MDK runs on Web. Sublime Text runs on Windows, Macos, Linux.
Can I use Keil MDK for free?
Yes. Keil MDK has a free tier, so you can try it without paying. Sublime Text starts at $99/license.
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 Sublime Text is typically brought in for.
What can Keil MDK do that Sublime Text cannot?
Sublime Text covers Lightning fast performance, Multiple selections, Command palette, Instant project switch.

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
Sublime Text: How much does Sublime Text cost?

Sublime Text costs $99 USD as a one-time personal license covering all your computers and operating systems, with 3 years of updates included.

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
Sublime Text: What are the business license pricing tiers?

Business licenses use annual subscription pricing: $65 per seat per year for 1-10 seats, $60 per seat for 11-25 seats, $55 per seat for 26-50 seats, and $50 per seat for 51+ seats.

Source
Sublime Text: Can I evaluate Sublime Text for free?

Yes, Sublime Text may be downloaded and evaluated for free, though payment is required to continue using it after evaluation.

Source
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