EMQX vs OpenPLC Runtime
On the evidence we track, EMQX leads this comparison with a composite score of 65/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Features
The capabilities each product documents. These tools do not share a category taxonomy, so this aligns what each vendor states rather than a normalised feature set.
| Feature | EMQX | OpenPLC Runtime |
|---|---|---|
| Delivery guarantee | exactly-once | - |
| Global edge network | ✓ | - |
| Message history replay | ✓ | - |
| Mqtt support | ✓ | - |
| Offline reconnect catchup | ✓ | - |
| Pricing model | connections-metered | - |
| Scaling model | native-cluster | - |
| Self hostable | ✓ | - |
What each one is
The product in its own terms, so the numbers below have context.
EMQX
LeaderEMQX is an MQTT-based message broker designed to connect and manage millions of IoT devices in real time. It supports multiple deployment models (cloud-hosted, self-managed, and bring-your-own-cloud), comprehensive protocol support beyond MQTT, and integrations with 50+ external systems for data routing and processing.
OpenPLC Runtime
An open-source industrial automation system that deploys across diverse hardware from microcontrollers to enterprise servers. Available as a free community edition with optional commercial support and proprietary features.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
EMQX
LeaderFrom free tier to $234/month managed, or custom enterprise pricing
- ServerlessFree
- Up to 1000 connections
- TLS/SSL encryption
- Basic monitoring & alerts
- 8/5 support
- Dedicated Flex$234/month with included traffic allowance
- Dedicated isolated cluster
- VPC peering & private link
- 40+ integrations
- 99.99% uptime SLA
- 24/7 premium support
- BYOCContact sales
- Deployed in your VPC
- Custom data plane & control plane
- Managed upgrades and observability
- Compliance tailored to your needs
- EnterpriseContact sales
- Deploy anywhere (on-prem, edge, cloud)
- Custom plugins & extensions
- Professional services
- Priority feature requests
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
EMQX
Leader- Microsoft Azure
- Google Cloud
- Oracle Cloud
- AWS
- OpenAI
- Anthropic
- Google Gemini
- ClickHouse
- Snowflake
- Kafka
- Pulsar
- RabbitMQ
- MySQL
- PostgreSQL
- MongoDB
- InfluxDB
- TDengine
- TimescaleDB
- BigQuery
- S3
- Azure Blob
- Confluent Cloud
- Webhook
- Amazon S3
- +2 more
OpenPLC Runtime
Not documented yet.
EMQX or OpenPLC Runtime: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.