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Head-to-head · IoT Operating Systems

Micrium OS vs Apache Mynewt

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Micrium OS #4 in IoT Operating Systems 8.8/10 Free plan Free plan✓ 0 of 3 features Visit Silicon Labs
Apache Mynewt #5 in IoT Operating Systems 8.5/10 Open source ✓ 0 of 3 features Visit Apache Mynewt

Micrium OS leads on 0 checks, Apache Mynewt on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMicrium OS · 8.8/10
  • Free planonly Micrium OS

Micrium OS scores higher on our rubric for iot operating systems: 8.8 against 8.5 out of 10; our editors rank them #4 and #5.

Micrium OS is the better fit for silicon Labs devices needing a broad RTOS stack. Apache Mynewt is the better fit for teams building modular firmware for connected devices.

  • Micrium OS fits best

    Silicon Labs devices needing a broad RTOS stack

  • Apache Mynewt fits best

    Teams building modular firmware for connected devices

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Side by side

Feature Micrium OS 8.8/10 Visit ↗ Apache Mynewt 8.5/10 Visit ↗
At a glance
Editor score 8.8 8.5
Ranking #4 in IoT Operating Systems #5 in IoT Operating Systems
Best for Silicon Labs devices needing a broad RTOS stack Teams building modular firmware for connected devices
Pricing model Free Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Self-hosted Self-hosted
Platforms Windows, macOS, Linux Linux
Support Community, Docs Docs, Community
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Micrium OS 0/3 · Apache Mynewt 0/3
Over-the-air updates Not checked yet Not checked yet
Fleet provisioning Not checked yet Not checked yet
Certificate management Not checked yet Not checked yet
Specs
Deployment model Edge Edge
Supported device OS Micrium OS; runs on Silicon Labs EFR32 and EFM32 devices Apache Mynewt
Protocol support TCP/IP, IPv4, IPv6, USB, CAN; Bluetooth, Connect, Wi-SUN, Zigbee stack support Not checked yet
Device limit Not checked yet Not checked yet
Our review
Pros
  • Priority-based real-time multitasking with queues, semaphores, and event flags
  • FAT file system plus USB host and device class support
  • IPv4/IPv6 networking and CMSIS-RTOS2 Bluetooth adaptation
  • Real-time operating system designed for embedded devices
  • Modular architecture for embedded software
  • Open-source firmware foundation for connected IoT devices
Cons
  • Verified device support centers on Silicon Labs EFR32 and EFM32 families
  • Self-hosted embedded RTOS, not a centralized fleet-management service
  • Project support is provided through community resources and documentation
  • Focused on firmware development, not hosted device management
  • Self-hosted deployment requires an embedded software workflow
  • Docs and community are the listed support channels
Our verdict

Micrium OS is a modular real-time operating system for embedded applications built around a priority-based preemptive kernel. It is intended for developers working with Silicon Labs EFR32 and EFM32 devices who need to combine multitasking…

Read the review →

Apache Mynewt is an open-source real-time operating system for resource-constrained embedded devices. It is aimed at developers building firmware and device software for connected IoT products, rather than organizations looking to buy a…

Read the review →
  1. Micrium OSIoT Operating Systems 8.8Free plan
  2. Apache MynewtIoT Operating Systems 8.5Open source

Strengths and trade-offs

  • Micrium OS — where it wins

    • Priority-based real-time multitasking with queues, semaphores, and event flags
    • FAT file system plus USB host and device class support
    • IPv4/IPv6 networking and CMSIS-RTOS2 Bluetooth adaptation

    Where it doesn't

    • Verified device support centers on Silicon Labs EFR32 and EFM32 families
    • Self-hosted embedded RTOS, not a centralized fleet-management service
    • Project support is provided through community resources and documentation

  • Apache Mynewt — where it wins

    • Real-time operating system designed for embedded devices
    • Modular architecture for embedded software
    • Open-source firmware foundation for connected IoT devices

    Where it doesn't

    • Focused on firmware development, not hosted device management
    • Self-hosted deployment requires an embedded software workflow
    • Docs and community are the listed support channels

More comparisons

All IoT operating systems comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update