Materialize vs ksqlDB

Side-by-side comparison of Materialize and ksqlDB to help you choose the right tool.

Feature	Materialize	ksqlDB
Pricing	Usage-based	Free / Included with Confluent
Rating	⭐ 4.4/5	⭐ 4.3/5
Categories	streaming, data-warehouses	streaming
Incremental views	✅	❌
Standard SQL	✅	❌
Kafka integration	✅	❌
PostgreSQL wire protocol	✅	❌
Joins on streams	✅	❌
Consistency guarantees	✅	❌
SQL on Kafka	❌	✅
Materialized views	❌	✅
Pull & push queries	❌	✅
Connectors	❌	✅
Windowing	❌	✅
User-defined functions	❌	✅

Streaming SQL for real-time analytics

Try Materialize →

Event streaming database for Kafka

Try ksqlDB →