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Head-to-head · Change Data Capture Software

Debezium vs Apache Flink CDC

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Debezium #1 in Change Data Capture Software 9.4/10 Open source ✓ 0 of 2 features Visit Debezium
Apache Flink CDC #2 in Change Data Capture Software 9.2/10 Open source ✓ 2 of 2 features Explore Flink CDC

Debezium leads on 0 checks, Apache Flink CDC on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDebezium · 9.4/10
  • Most featuresApache Flink CDC · 2 of 2

Debezium scores higher on our rubric for change data capture software: 9.4 against 9.2 out of 10; our editors rank them #1 and #2.

Debezium is the better fit for broad, self-hosted CDC deployments. Apache Flink CDC is the better fit for flink-based streaming CDC pipelines.

  • Debezium fits best

    Broad, self-hosted CDC deployments

  • Apache Flink CDC fits best

    Flink-based streaming CDC pipelines

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Side by side

Feature Debezium 9.4/10 Visit ↗ Apache Flink CDC 9.2/10 Visit ↗
At a glance
Editor score 9.4 9.2
Ranking #1 in Change Data Capture Software #2 in Change Data Capture Software
Best for Broad, self-hosted CDC deployments Flink-based streaming CDC pipelines
Pricing model Free Free
Starting price Open source Open source
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Self-hosted Self-hosted
Support Live chat, Community, Docs Community, Docs
Integrations 12 integrations 18 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Debezium 0/2 · Apache Flink CDC 2/2
Schema evolution Not checked yet ✓ (best)
Initial snapshot Not checked yet ✓ (best)
Specs
Deployment model Not checked yet Self-hosted
Capture method Not checked yet Log-based
Source connectors Not checked yet Not checked yet
Destination connectors Not checked yet Not checked yet
Our review
Pros
  • Captures continuous row- and document-level database changes
  • Supports Kafka Connect, Debezium Server, and embedded engine deployments
  • Connects with Kafka, Kinesis, Pub/Sub, Event Hubs, Pulsar, and more
  • Supports snapshots, incremental reads, and ongoing change-log capture
  • Provides exactly-once processing, transformations, routing, and schema evolution
  • Connects with databases, Kafka, Iceberg, Hudi, Elasticsearch, and more
Cons
  • Requires self-managed deployment and operational ownership
  • Replication is limited to one-way data flows
  • Does not include AI features
  • Deployment is self-hosted rather than managed
  • Requires an Apache Flink-based streaming environment
  • Its API choices may add design decisions for smaller CDC projects
Our verdict

Debezium is an open-source distributed change data capture platform for teams that need database changes delivered as event streams. It continuously captures row-level changes from relational databases and document-level changes from…

Read the review →

Apache Flink CDC is an open-source change data capture and streaming data integration tool built on Apache Flink. It is aimed at data engineers and organizations creating real-time pipelines, database replication workflows, and streaming…

Read the review →
  1. DebeziumChange Data Capture Software 9.4Open source
  2. Apache Flink CDCChange Data Capture Software 9.2Open source

Strengths and trade-offs

  • Debezium — where it wins

    • Captures continuous row- and document-level database changes
    • Supports Kafka Connect, Debezium Server, and embedded engine deployments
    • Connects with Kafka, Kinesis, Pub/Sub, Event Hubs, Pulsar, and more

    Where it doesn't

    • Requires self-managed deployment and operational ownership
    • Replication is limited to one-way data flows
    • Does not include AI features

  • Apache Flink CDC — where it wins

    • Supports snapshots, incremental reads, and ongoing change-log capture
    • Provides exactly-once processing, transformations, routing, and schema evolution
    • Connects with databases, Kafka, Iceberg, Hudi, Elasticsearch, and more

    Where it doesn't

    • Deployment is self-hosted rather than managed
    • Requires an Apache Flink-based streaming environment
    • Its API choices may add design decisions for smaller CDC projects

More comparisons

All change data capture software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update