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Head-to-head · Change Data Capture Software

Estuary vs Quest SharePlex

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Estuary #4 in Change Data Capture Software 8.8/10 Free plan · 30-day trial Free planFree trial✓ 2 of 2 features Visit Estuary
Quest SharePlex #8 in Change Data Capture Software 8.3/10 Pricing on request ✓ 0 of 2 features Try Quest SharePlex

Estuary leads on 0 checks, Quest SharePlex on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreEstuary · 8.8/10
  • Free planonly Estuary
  • Free trialonly Estuary
  • Most featuresEstuary · 2 of 2

Estuary scores higher on our rubric for change data capture software: 8.8 against 8.3 out of 10; our editors rank them #4 and #8.

Estuary is the better fit for managed CDC with flexible destinations. Quest SharePlex is the better fit for oracle-centered active-active replication.

  • Estuary fits best

    Managed CDC with flexible destinations

  • Quest SharePlex fits best

    Oracle-centered active-active replication

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Side by side

Feature Estuary 8.8/10 Visit ↗ Quest SharePlex 8.3/10 Visit ↗
At a glance
Editor score 8.8 8.3
Ranking #4 in Change Data Capture Software #8 in Change Data Capture Software
Best for Managed CDC with flexible destinations Oracle-centered active-active replication
Pricing model Free plan + paid Paid
Starting price — Pricing on request
Free plan ✓ (best) Not checked yet
Free trial 30 days —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Windows, Linux
Support Email, Community, Docs Tickets, Docs · 24/7
Integrations 200+ integrations 11 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Estuary 2/2 · Quest SharePlex 0/2
Schema evolution ✓ (best) Not checked yet
Initial snapshot ✓ (best) Not checked yet
Specs
Deployment model Hybrid 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
  • Log-based CDC with exactly-once delivery and schema evolution
  • Initial backfills plus ongoing batch and streaming data movement
  • SQL and TypeScript transformations across multiple destinations
  • 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
  • Usage-based data volume and connector/task-hour charges complicate budgeting
  • Annual pricing requires negotiation rather than a published fixed rate
  • Connector coverage depends on the supported integration list
  • 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

Estuary is a data integration platform for teams moving inserts, updates, and deletes from supported databases into warehouses, applications, and streaming systems. It combines log-based change data capture with batch 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. EstuaryChange Data Capture Software 8.8Free plan · 30-day trial
  2. Quest SharePlexChange Data Capture Software 8.3Pricing on request

Strengths and trade-offs

  • Estuary — where it wins

    • Log-based CDC with exactly-once delivery and schema evolution
    • Initial backfills plus ongoing batch and streaming data movement
    • SQL and TypeScript transformations across multiple destinations

    Where it doesn't

    • Usage-based data volume and connector/task-hour charges complicate budgeting
    • Annual pricing requires negotiation rather than a published fixed rate
    • Connector coverage depends on the supported integration list

  • 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
  • Estuary8.8/10 · Free plan · 30-day trial

    Managed CDC with exactly-once delivery, flexible destinations, and hybrid deployment.

    Visit EstuaryFull verdict →
  • Quest SharePlex8.3/10 · Pricing on request

    A mature CDC and replication platform for Oracle-centered, multi-way database environments.

    Try Quest SharePlexFull verdict →

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