EMQX vs Supabase Realtime
No clear leader: EMQX (65.2) and Supabase Realtime (62.2) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for realtime messaging infra. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
EMQX
EMQX 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.
Supabase Realtime
A server that monitors PostgreSQL databases for data changes and broadcasts updates instantly to connected clients. It polls PostgreSQL's replication logs, converts modifications to JSON, and delivers them to authorized subscribers via WebSocket.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
EMQX
From 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
Supabase Realtime
Free tier available. Pro from $25/month for first project. Team $599/month. Usage-based add-ons for storage, bandwidth, compute, and additional features.
- FreeFree
- Unlimited API requests
- 50,000 monthly active users
- 500 MB database size
- 5 GB cached egress
- 1 GB file storage
- +1 more
- Pro$25/month for first project; $10/month for additional projects
- Everything in Free Plan
- 100,000 monthly active users (then $0.00325 per MAU)
- 8 GB disk size per project (then $0.125 per GB)
- 250 GB egress (then $0.09 per GB)
- 250 GB cached egress (then $0.03 per GB)
- +4 more
- Team$599/month
- Everything in Pro Plan
- SOC2 & ISO 27001 compliance
- Project-scoped and read-only access
- HIPAA available as paid add-on
- SSO for Supabase Dashboard
- +3 more
- CustomContact sales
- Designated support manager
- Uptime SLAs
- AWS PrivateLink support
- 24/7/365 premium enterprise support
- Private Slack channel
- +1 more
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
- 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
Supabase Realtime
Not documented yet.
EMQX or Supabase Realtime: 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.