Arm Keil MDK vs AURIX Development Studio

Arm Keil MDK is a toolchain for embedded software targeting Cortex-M and Ethos-U processors. MDK v6 supports command-line, IDE, and continuous-integration workflows across major operating systems. It includes Keil Studio extensions for Visual Studio Code, Keil μVision, Arm Compiler for Embedded, and Arm Fixed Virtual Platform models. Software packs add device and board support, middleware, components, code templates, and example projects independently of the toolchain. Keil Studio supports CMSIS workflows with an integrated debugger and extensions for creating, building, and testing embedded applications. Listed integrations include CMSIS-FreeRTOS, Keil RTX5, MDK-Middleware, IoT clients, CMSIS-DAP, ULink, and third-party debug adapters. Community is for non-commercial use. The listed MDK v6 Essential plan costs $99 a month per license; Professional costs $199 a month per license and adds Arm Virtual Hardware, functional-safety compiler tools, and legacy tools including Arm Compiler 5. Keil μVision is available only for Windows hosts.

AURIX Development Studio is Infineon’s free proprietary Windows IDE for editing, compiling and debugging applications for AURIX microcontrollers. It combines an Eclipse IDE, C compiler, multi-core debugger and Infineon low-level drivers. The listed host is Microsoft Windows 11, with support for AURIX TC2xx, TC3xx and TC4xx targets. Infineon states that the free plan has no time or code-size limitations. Integrated debugging and flashing, hardware-probe support and RTOS support are included. Developers can use hundreds of code examples with source and step-by-step tutorials, while expert training adds application-development guidance and a GitHub repository for training code. The AURIX forum supports questions about software development, debugging and hardware design. Infineon positions the studio for both application development and evaluation of the AURIX architecture.