Stacksync

Stacksync is ranked #10 of 29 in reverse ETL tools on The Geeks Club. It runs on API, Self-hosted, Web. There is no free plan. A free trial is offered. Paid plans start at $1,000/mo.

Stacksync plans and pricing

All plans

Starter $1,000/mo annually 1 Active Sync · 50K records in sync · 3 collaborators · 1 day log retention · Community support stacksync.com · 3 Oct 2026

Pro $3,000/mo annually 3 Active Syncs · 1M records in sync · Unlimited collaborators · 7 day log retention · Dedicated Slack support stacksync.com · 3 Oct 2026

Managed Pro $4,200/mo annually 3 Active Syncs · 1M records in sync · Dedicated US-based engineers · Multiple processing regions · 24/7 incident response stacksync.com · 3 Oct 2026

Enterprise Not published annually Unlimited syncs · Custom records · 30 day log retention · SSO & SCIM · 24/7 support hotline · SLAs stacksync.com · 3 Oct 2026

Compared on reverse ETL tools

Free plan: No
Paid from: $1,000/mo

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Stacksync

What it does: Stacksync synchronizes CRM, ERP, SaaS, database, and warehouse data in real time, with two-way sync and configurable write direction.
Workflow automation: Workflows can trigger actions on record changes and be configured in the builder or as YAML/JSON files.
Event queues: Its event queues process system events in order and support automatic retries.
AI agents: Stacksync AI agents can read and write the live data maintained by its syncs.
Integrations: Stacksync lists 1,000+ production-ready connectors across CRMs, ERPs, databases, warehouses, and SaaS; almost all CRM, ERP, database, and warehouse connectors are bidirectional by default.
Connector limits: Some read-only sources, including billing event streams and observability platforms, are source-only by design.
Compliance: The security page lists SOC 2 Type II, ISO 27001, HIPAA, GDPR, CCPA, and DPF; SOC 2 Type II, ISO 27001, HIPAA, and DPF are available on Pro and up, while GDPR and CCPA are listed on every plan.
Data security: Stacksync states that it encrypts data in transit with TLS 1.2+ and at rest with AES-256, and keeps no copy of records in the sync path after writes land.
Security limits: MFA is included on Pro and up, SSO and SCIM are Enterprise-only, and on-premise deployment is Enterprise-only.
Support: Every plan includes documentation, the Slack community, and email support; dedicated Slack support starts at Pro, while email, chat, and phone support up to 24/7 starts at Managed Pro.
Trial and POC: The homepage advertises a 14-day free trial with no credit card, while pricing says guided proof-of-concept terms, including length and price, are available on request.
Intended users: Stacksync describes Starter as intended for startups and growing teams, Pro for high-performance teams building end-to-end workflows, and Enterprise for large data teams needing advanced security and support.
Price from: $1,000/mo

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Where it ranks on The Geeks Club

Best Reverse ETL Tools in 2026#10 of 29
Best Product-Led Sales Software in 2026#8 of 14

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Sources

stacksync.com/about· checked 3 Oct 2026
stacksync.com/connectors· checked 3 Oct 2026
stacksync.com/security· checked 3 Oct 2026
stacksync.com· checked 3 Oct 2026
stacksync.com/pricing· checked 3 Oct 2026