EMQX vs Google Cloud Pub/Sub
| EMQX | Google Cloud Pub/Sub | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | $234/mo | $40/mo |
| Open source | No | No |
| Platforms | Web | api, Web |
| Free plan | Yes | Yes |
| Paid from | 234 /mo | — |
| Deployment model | hybrid | cloud |
| Delivery guarantees | configurable | configurable |
| Maximum message size | 1 MB | 10 MB |
| Supported protocols | MQTT, MQTT-SN, STOMP, CoAP, LwM2M, OCPP, GB/T 32960, JT/T 808, NATS | REST, gRPC |
| Dead-letter queues | — | Yes |
Both are listed in Best Message Broker Software, Best Message Queue (MQ) Software. On Everything Xiaomi, Google Cloud Pub/Sub scores higher on our published basis.