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Head-to-head · Change Data Capture Software

Apache Flink CDC vs Quest SharePlex

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Apache Flink CDC #2 in Change Data Capture Software 9.2/10 Open source ✓ 2 of 2 features Explore Flink CDC
Quest SharePlex #8 in Change Data Capture Software 8.3/10 Pricing on request ✓ 0 of 2 features Try Quest SharePlex

Apache Flink CDC leads on 0 checks, Quest SharePlex 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 scoreApache Flink CDC · 9.2/10
  • Most featuresApache Flink CDC · 2 of 2

Apache Flink CDC scores higher on our rubric for change data capture software: 9.2 against 8.3 out of 10; our editors rank them #2 and #8.

Apache Flink CDC is the better fit for flink-based streaming CDC pipelines. Quest SharePlex is the better fit for oracle-centered active-active replication.

  • Apache Flink CDC fits best

    Flink-based streaming CDC pipelines

  • Quest SharePlex fits best

    Oracle-centered active-active replication

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Side by side

Feature Apache Flink CDC 9.2/10 Visit ↗ Quest SharePlex 8.3/10 Visit ↗
At a glance
Editor score 9.2 8.3
Ranking #2 in Change Data Capture Software #8 in Change Data Capture Software
Best for Flink-based streaming CDC pipelines Oracle-centered active-active replication
Pricing model Free Paid
Starting price Open source Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Self-hosted Cloud, Self-hosted
Support Community, Docs Tickets, Docs · 24/7
Integrations 18 integrations 11 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Apache Flink CDC 2/2 · Quest SharePlex 0/2
Schema evolution ✓ (best) Not checked yet
Initial snapshot ✓ (best) Not checked yet
Specs
Deployment model Self-hosted Not checked yet
Capture method Log-based Not checked yet
Source connectors Not checked yet Not checked yet
Destination connectors Not checked yet Not checked yet
Our review
Pros
  • 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
  • Log-based CDC with near-real-time asynchronous replication
  • Active-active bi-directional replication with conflict resolution
  • Broad targets including Kafka, Snowflake, and cloud storage
Cons
  • 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
  • Pricing uses a contact-sales model
  • Primarily an installed product for on-premises or cloud deployment
  • Its enterprise database focus may exceed narrower CDC needs
Our verdict

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 →

Quest SharePlex is database replication software for organizations operating Oracle and PostgreSQL environments, with support for SQL Server, MySQL, MariaDB, Snowflake, and AlloyDB. It captures database changes and replicates them in near…

Read the review →
  1. Apache Flink CDCChange Data Capture Software 9.2Open source
  2. Quest SharePlexChange Data Capture Software 8.3Pricing on request

Strengths and trade-offs

  • 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

  • Quest SharePlex — where it wins

    • Log-based CDC with near-real-time asynchronous replication
    • Active-active bi-directional replication with conflict resolution
    • Broad targets including Kafka, Snowflake, and cloud storage

    Where it doesn't

    • Pricing uses a contact-sales model
    • Primarily an installed product for on-premises or cloud deployment
    • Its enterprise database focus may exceed narrower CDC needs

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