EMQ
EMQ — Scalable MQTT broker (EMQX) for IoT deployments with millions of concurrent connections and rule engine.
Our Verdict
The most scalable open-source MQTT broker, provided you have the ops muscle or pay for managed.
Pros
- Scales to millions of MQTT clients
- Powerful rule engine
- Open-source core is legit
Cons
- Operating clusters needs real skill
- Commercial features behind paywall
- Docs dense for newcomers
Best for: Large IoT deployments needing massive MQTT fan-out and rules
Not for: Small projects where Mosquitto or a managed broker is simpler
When to Use EMQ
Good fit if you need
- Scaling MQTT broker to 10M+ concurrent IoT connections
- Rule engine routing MQTT events to Kafka or databases
- EMQX cluster for industrial IoT and smart factory messaging
- Managed MQTT-as-a-service for device fleet communication
- Replacing HiveMQ or Mosquitto with highly scalable EMQX
Lock-in Assessment
Low 5/5
Lock-in Score 5/5
Pricing
Price wrong?EMQ Pricing
- Pricing Model
- freemium
- Free Tier
- Yes
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
1,000
1001K10K100K1M
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Community Discussion
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