EMQX vs HiveMQ

Overview

EMQX and HiveMQ are the two leading enterprise MQTT brokers, both targeting large-scale IoT and IIoT deployments. They share many capabilities but differ in licensing philosophy, pricing transparency, and technical approach.

Feature Comparison

EMQX Strengths

• Open-source roots: Started as open source, larger community
• Protocol diversity: Built-in CoAP, LwM2M, STOMP gateways
• Transparent pricing: Public pricing for cloud tiers
• GitHub presence: 16K+ stars, active development
• 50+ integrations: Pre-built connectors for databases, streaming, cloud

HiveMQ Strengths

• Longer enterprise track record: Founded 2012, focused on enterprise from start
• Professional services: Extensive consulting and support offerings
• Extension SDK: Java-based extension framework
• HiveMQ Cloud: Fully managed option with free tier
• Stronger European presence: German-founded, strong EU customer base

Pricing

EMQX:

• Serverless: Free tier (1,000 conn), then pay-as-you-go
• Dedicated: From $234/month
• Enterprise: Custom pricing

HiveMQ:

• Cloud Free: Up to 100 connections
• Cloud Starter: From $199/month
• Self-hosted: Custom pricing (not publicly disclosed)

When to Choose EMQX

• You need CoAP or LwM2M protocol support
• You want pre-built integrations without custom coding
• Transparent pricing is important
• You prefer a solution with open-source heritage

When to Choose HiveMQ

• You need extensive professional services
• You prefer Java-based extension development
• Strong European support presence is important
• You're already invested in the HiveMQ ecosystem

Migration Considerations

Both brokers support standard MQTT, making migration straightforward for basic pub/sub. However, proprietary features (EMQX's Rule Engine, HiveMQ's Data Hub) require reimplementation when switching.