EMQX vs Upstash QStash
| EMQX | Upstash QStash | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | |
| Paid from | $234/mo | $1/mo |
| Platforms | api, Linux, macOS, self-hosted, Web | api, Web |
| Free plan | Yes | Yes |
| Paid from | 234 /mo | |
| Deployment model | hybrid | cloud |
| Delivery guarantees | configurable | at_least_once |
| Maximum message size | 1 MB | 10 MB |
| Supported protocols | MQTT, MQTT-SN, STOMP, CoAP, LwM2M, OCPP, GB/T 32960, JT/T 808, NATS | HTTP |
| Max message size | 1 MB | |
| Dead-letter queues | Yes | |
| Ordering guarantees | per_queue |
Listed together in Best Message Broker Software