Arm Keil MDK vs B4R
| Arm Keil MDK | B4R | |
|---|---|---|
| Free plan | Yes | Yes |
| Paid from | $99/mo | Free |
| Platforms | api, extension, Linux, macOS, Web, Windows | Windows |
| Free plan | Yes | Yes |
| Supported targets | Arm Cortex-M, Armv8-M, SecurCore and legacy Arm microcontrollers; Ethos-U processors; Fast Models | Arduino-compatible boards, ESP8266, ESP32 |
| Integrated debugging | Yes | No |
| Hardware probe support | both | |
| RTOS support | Yes | |
| Integrated flashing | Yes | Yes |
| Desktop platforms | Linux, macOS, Windows | Windows |
Listed together in Best Embedded Development IDEs