Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Embedded Development IDEs

Arm Keil MDK vs STM32CubeIDE

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Arm Keil MDK #2 in Embedded Development IDEs 9.2/10 Free plan Free plan✓ 3 of 3 features Visit Arm Keil MDK
STM32CubeIDE #4 in Embedded Development IDEs 9.0/10 Free plan Free plan✓ 3 of 3 features Visit STM32CubeIDE

Arm Keil MDK leads on 0 checks, STM32CubeIDE on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreArm Keil MDK · 9.2/10
  • Free planboth

Arm Keil MDK scores higher on our rubric for embedded development ides: 9.2 against 9.0 out of 10; our editors rank them #2 and #4.

Arm Keil MDK is the better fit for professional Arm development. STM32CubeIDE is the better fit for STM32 development teams.

  • Arm Keil MDK fits best

    Professional Arm development

  • STM32CubeIDE fits best

    STM32 development teams

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Arm Keil MDK 9.2/10 Visit ↗ STM32CubeIDE 9.0/10 Visit ↗
At a glance
Editor score 9.2 9.0
Ranking #2 in Embedded Development IDEs #4 in Embedded Development IDEs
Best for Professional Arm development STM32 development teams
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Desktop, Browser extension Desktop
Platforms Web, Windows, macOS, Linux Windows, macOS, Linux
Support Tickets, Community, Docs Tickets, Community, Docs
Integrations 11 integrations 4 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Arm Keil MDK 3/3 · STM32CubeIDE 3/3
Integrated debugging ✓ ✓
RTOS support ✓ ✓
Integrated flashing ✓ ✓
Specs
Supported targets Arm Cortex-M, Armv8-M, SecurCore and legacy Arm microcontrollers; Ethos-U processors; Fast Models STM32 microcontrollers and microprocessors; all STM32 MCUs and MPUs
Hardware probe support Both Both
Desktop platforms Linux, macOS, Windows Windows, Linux, macOS
Our review
Pros
  • Free Community tier for non-commercial Cortex-M development
  • Integrated debugger, toolchains, RTOS support, middleware, and CI workflows
  • Broad probe support including ULINK, CMSIS-DAP, ST-LINK, and J-Link
  • Supports all STM32 microcontrollers and microprocessors
  • Integrates STM32CubeMX for configuration and code generation
  • Includes RTOS debugging, fault analysis, and probe support
Cons
  • Community use is limited to non-commercial projects
  • Advanced virtualization and functional-safety tools require Professional
  • The suite spans both current MDK v6 and legacy μVision/MDK v5 components
  • Focused on STM32 targets rather than broader MCU families
  • Not open source
  • Its workflow centers on STMicroelectronics development tools
Our verdict

Arm Keil MDK is a software development suite for building, testing, and debugging embedded applications on Arm targets. It is aimed at embedded developers working with Cortex-M, Armv8-M, SecurCore, legacy Arm microcontrollers, Ethos-U…

Read the review →

STM32CubeIDE is a free, GUI-based C/C++ development environment from STMicroelectronics for firmware projects targeting STM32 microcontrollers and microprocessors. It brings project creation, code editing, compilation, debugging, and…

Read the review →
  1. Arm Keil MDKEmbedded Development IDEs 9.2Free plan
  2. STM32CubeIDEEmbedded Development IDEs 9.0Free plan

Strengths and trade-offs

  • Arm Keil MDK — where it wins

    • Free Community tier for non-commercial Cortex-M development
    • Integrated debugger, toolchains, RTOS support, middleware, and CI workflows
    • Broad probe support including ULINK, CMSIS-DAP, ST-LINK, and J-Link

    Where it doesn't

    • Community use is limited to non-commercial projects
    • Advanced virtualization and functional-safety tools require Professional
    • The suite spans both current MDK v6 and legacy μVision/MDK v5 components

  • STM32CubeIDE — where it wins

    • Supports all STM32 microcontrollers and microprocessors
    • Integrates STM32CubeMX for configuration and code generation
    • Includes RTOS debugging, fault analysis, and probe support

    Where it doesn't

    • Focused on STM32 targets rather than broader MCU families
    • Not open source
    • Its workflow centers on STMicroelectronics development tools

More comparisons

All embedded development IDEs comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update