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Head-to-head · Embedded Development IDEs

MPLAB X IDE vs IAR Embedded Workbench

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score MPLAB X IDE #5 in Embedded Development IDEs 8.9/10 Free plan Free plan✓ 3 of 3 features Visit Microchip
IAR Embedded Workbench #11 in Embedded Development IDEs 8.1/10 Pricing on request · 14-day trial Free trial✓ 3 of 3 features Visit IAR Systems

MPLAB X IDE leads on 1 check, IAR Embedded Workbench on 0, and 3 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 scoreMPLAB X IDE · 8.9/10
  • Free planonly MPLAB X IDE
  • Free trialonly IAR Embedded Workbench

MPLAB X IDE scores higher on our rubric for embedded development ides: 8.9 against 8.1 out of 10; our editors rank them #5 and #11.

MPLAB X IDE offers free plan; IAR Embedded Workbench doesn't. On hardware probe support, IAR Embedded Workbench gives you Both where MPLAB X IDE offers Vendor.

MPLAB X IDE is the better fit for microchip MCU developers. IAR Embedded Workbench is the better fit for safety-focused professional teams.

  • MPLAB X IDE fits best

    Microchip MCU developers

  • IAR Embedded Workbench fits best

    Safety-focused professional teams

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Side by side

Feature MPLAB X IDE 8.9/10 Visit ↗ IAR Embedded Workbench 8.1/10 Visit ↗
At a glance
Editor score 8.9 8.1
Ranking #5 in Embedded Development IDEs #11 in Embedded Development IDEs
Best for Microchip MCU developers Safety-focused professional teams
Pricing model Free Paid
Starting price Free plan Pricing on request · 14-day trial
Free plan ✓ (best) —
Free trial — 14 days
Deployment Desktop Desktop
Platforms Windows, macOS, Linux Windows, Linux
Support Live chat, Tickets, Community, Docs Email, Docs
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features MPLAB X IDE 3/3 · IAR Embedded Workbench 3/3
Integrated debugging ✓ ✓
RTOS support ✓ ✓
Integrated flashing ✓ ✓
Specs
Supported targets PIC, dsPIC, AVR, SAM, PIC32 and other Microchip MCU, DSC and MPU families Arm, RISC-V, Renesas RL78, Renesas RH850, Renesas RX, STM8, AVR32, MSP430, 8051, AVR, Renesas 78K, Renesas V850, Renesas M16C/R8C
Hardware probe support Vendor Both
Desktop platforms Windows, macOS, Linux Linux, Windows
Our review
Pros
  • Free desktop IDE for Windows, macOS, and Linux
  • Supports PIC, dsPIC, AVR, SAM, PIC32, and other Microchip families
  • Combines debugging, simulation, programming, and device packs
  • Optimizing C/C++ toolchain with device-aware C-SPY debugging
  • Static and runtime analysis, coverage, profiling, and trace workflows
  • Broad architecture, RTOS, probe, IDE, and CI/CD support
Cons
  • Its target coverage is centered on Microchip devices
  • Hardware debugging uses Microchip programmer/debugger tools
  • Microchip recommends MPLAB Tools for VS Code for new and existing projects
  • No permanent free plan is available
  • Pricing requires contacting IAR Systems
  • Arm evaluation is Windows-only; Linux evaluation requires contacting IAR
Our verdict

MPLAB X IDE is a free desktop environment for discovering, configuring, developing, debugging, and qualifying embedded designs. It is intended for firmware developers, electronics engineers, and teams building products with Microchip…

Read the review →

IAR Embedded Workbench is an integrated IDE and toolchain for engineers developing software for microcontrollers and processor architectures. It combines an optimizing C/C++ compiler, assembler, linker, project environment, C-SPY debugger,…

Read the review →
  1. MPLAB X IDEEmbedded Development IDEs 8.9Free plan
  2. IAR Embedded WorkbenchEmbedded Development IDEs 8.1Pricing on request · 14-day trial

Strengths and trade-offs

  • MPLAB X IDE — where it wins

    • Free desktop IDE for Windows, macOS, and Linux
    • Supports PIC, dsPIC, AVR, SAM, PIC32, and other Microchip families
    • Combines debugging, simulation, programming, and device packs

    Where it doesn't

    • Its target coverage is centered on Microchip devices
    • Hardware debugging uses Microchip programmer/debugger tools
    • Microchip recommends MPLAB Tools for VS Code for new and existing projects

  • IAR Embedded Workbench — where it wins

    • Optimizing C/C++ toolchain with device-aware C-SPY debugging
    • Static and runtime analysis, coverage, profiling, and trace workflows
    • Broad architecture, RTOS, probe, IDE, and CI/CD support

    Where it doesn't

    • No permanent free plan is available
    • Pricing requires contacting IAR Systems
    • Arm evaluation is Windows-only; Linux evaluation requires contacting IAR
  • MPLAB X IDE8.9/10 · Free plan

    A free, capable desktop IDE for firmware teams working across Microchip device families.

    Visit MicrochipFull verdict →
  • IAR Embedded Workbench8.1/10 · Pricing on request · 14-day trial

    A safety-focused embedded IDE with deep analysis, debugging, tracing, and RTOS support.

    Visit IAR SystemsFull verdict →

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