Azure Sphere OS vs Particle Device OS
| Azure Sphere OS | Particle Device OS | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $299/mo |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | No | Yes |
| Deployment model | hybrid | hybrid |
| Supported device OS | Azure Sphere OS (custom Linux-based OS) | Particle Device OS on Particle devices |
| Over-the-air updates | Yes | Yes |
| Fleet provisioning | Yes | — |
| Protocol support | TCP/IP, Wi-Fi, UART, SPI, I2C, GPIO | — |
| Certificate management | Yes | — |
| Paid from | — | 299 /mo |
| Device limit | — | 100 devices |
Both are listed in Best IoT Operating Systems. On Specifiction, Particle Device OS scores higher on our published basis.