Freedom251 › IoT Operating Systems
Azure Sphere OS
What Azure Sphere OS is
Azure Sphere OS is a custom Linux-based operating system for supported devices, offered in the Azure Sphere solution for the MT3620AN. The solution combines a certified MCU, an Azure Sphere OS license, and access to Azure Sphere Security Service; the components are sold together. Ongoing OS updates are included. Listed capabilities include over-the-air updates, fleet provisioning, and certificate management. Supported protocols and interfaces are TCP/IP, Wi-Fi, UART, SPI, I2C, and GPIO. Deployment is hybrid, and the listed platform is web. Azure Sphere is paid and has no free plan. No price is listed for the Azure Sphere solution (MT3620AN). Its combined hardware, operating system licensing, and security service access are intended for connected-device deployments using that solution. The listed networking and device interfaces span TCP/IP and Wi-Fi as well as UART, SPI, I2C, and GPIO.
Who it suits
Azure Sphere OS suits connected-device deployments built around the MT3620AN solution. Its listed features include fleet provisioning, over-the-air updates, and certificate management.
What it does well
- Includes ongoing Azure Sphere OS updates
- Supports over-the-air updates and fleet provisioning
- Certificate management is available
- Supports TCP/IP, Wi-Fi, UART, SPI, I2C, and GPIO
What to know first
- No free plan
- Solution components are sold together
- No price is listed
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Azure Sphere solution (MT3620AN) | Certified MCU, Azure Sphere OS license, and Azure Sphere Security Service access · Ongoing Azure Sphere OS updates · Components sold together | On request |
As azure.microsoft.com lists them, read 24 Sept 2026. The maker's own page has the final word.
Verdict
The Azure Sphere solution combines the operating system license, certified MCU, and security service access. Its listed device management features cover provisioning, updates, and certificate management.
Where Azure Sphere OS stands on Freedom251
- IoT Operating Systems#13 of 14