Independent reference. No vendor sponsorship. British spelling.
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Estuary vs Fivetran

For streaming and CDC-heavy workloads, Estuary's single $/GB rate lands roughly 70% cheaper than Fivetran Premium. Fivetran retains the connector-breadth advantage for SaaS sources. The two vendors rarely directly substitute: Estuary for the CDC + streaming half, Fivetran for the SaaS half.

Pick Estuary when

  • › Workload is dominated by database CDC or streaming events.
  • › Sub-minute latency is a real requirement.
  • › The team can live with a narrower SaaS catalogue.
  • › BYOC deployment is needed for compliance.

Pick Fivetran when

  • › Workload is dominated by SaaS source breadth.
  • › Connector freshness and reliability are procurement gates.
  • › Streaming latency is not a hard product requirement.
  • › Single-vendor consolidation is a strategic preference.

Price comparison at three workload sizes

WorkloadEstuaryFivetran
50M MAR Postgres CDC, sub-minute$690/mo$3,600/mo (Premium tier)
50M MAR mixed SaaS + DB, hourly$900/mo$2,400/mo
200M MAR streaming events$2,400/mo$7,200/mo

Estimates from each vendor's published pricing page. Tune to your shape with the /tco-calculator.

Decision aid

  • Postgres CDC primary use case: Estuary
  • SaaS-source-heavy: Fivetran
  • Hybrid workload: Both - Estuary for DB, Fivetran for SaaS
  • Lowest streaming bill: Estuary by a wide margin

Related

Written by Oliver Wakefield-Smith, Founder of Digital Signet. Independent reference, no vendor sponsorship.

Sources logged at /sources. Pricing-change history at /changelog. Last reviewed 2026-06-21.