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Arm Keil MDK vs B4R

Arm Keil MDK logo

Arm Keil MDK

7.9#1 in embedded systems toolchainsFrom 82.39 CHF a month
Free planWebAPIExtensionLinux
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B4R logo

B4R

5.7#20 in embedded development idesFree plan
Free planWindows
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What both publish

FactArm Keil MDKB4R
DocumentationArm provides getting-started, user, licensing, installation, CMSIS-Toolbox and CI/CD guides plus videos and forums.The page links to learning resources, example projects, tutorials and a B4R forum.
PurposeKeil MDK simplifies embedded software development for Cortex-M and Ethos-U processors through CLI, IDE, or continuous integration workflows.B4R is a development tool for building native programs for Arduino, ESP8266 and ESP32.
SupportKeil MDK support offers support cases, a community forum, documentation, and learning videos.Anywhere Software directs technical questions to its forum and says it answers email inquiries within 24 hours.

Arm Keil MDK plans

  • EssentialPriced on request
  • ProfessionalPriced on request
  • ProfessionalPriced on request
  • CommunityFree
  • Keil MDK v6 Essential82.39 CHF a month
  • Keil MDK v6 Professional165.60 CHF a month

B4R plans

  • B4RFree

Pick Arm Keil MDK if…

Keil MDK suits developers building embedded applications for Cortex-M or Ethos-U processors. Community is for non-commercial use, while the listed paid v6 plans cover commercial use.

Pick B4R if…

B4R suits developers building native programs for Arduino-compatible boards, ESP8266, or ESP32 on Windows. It may also suit commercial users seeking a free tool with accessible source and compiled objects.

Charts they share