# Apache Airflow vs Estuary Flow

**Leader by vioscaleAI score:** Estuary Flow

| Attribute | Apache Airflow | Estuary Flow |
|---|---|---|
| **vioscaleAI score** | 69 (66% (medium)) | 79.5 (72% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 189 | - |
| adoption.github_stars | 47,054 | - |
| adoption.package_downloads_weekly | 1,607,065 | - |
| content.faq | `[{"answer":"An open-source platform where you define workflows in Python, schedule their execution based on dependencies and timing, and monitor progress through a web interface. Widely used for data orchestration, ML operations, and infrastructure automation. It is indexed under Data Engineering Tools.","source":"https://airflow.apache.org","question":"What is Apache Airflow?","confidence":0.6},{"answer":"Apache Airflow is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://airflow.apache.org","question":"Is Apache Airflow free to use?","confidence":0.6},{"answer":"Apache Airflow supports the web, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://airflow.apache.org","question":"What platforms does Apache Airflow support?","confidence":0.6},{"answer":"Yes. Apache Airflow can be deployed cloud / SaaS, hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://airflow.apache.org","question":"Can Apache Airflow be self-hosted?","confidence":0.6},{"answer":"We have confirmed 56 integrations for Apache Airflow, including Amazon Web Services, Microsoft Azure, Google Cloud Platform, Databricks, Snowflake, dbt Cloud, Slack and Salesforce, plus 48 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://airflow.apache.org","question":"What does Apache Airflow integrate with?","confidence":0.6},{"answer":"Yes. Apache Airflow is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/apache/airflow","question":"Is Apache Airflow open source?","confidence":0.95}]` | `[{"answer":"Estuary unifies ETL and ELT pipelines with real-time CDC, streaming, and batch data movement in a single managed platform. Data stays in your environment while Estuary handles continuous capture, transformation, and delivery to any destination. It is indexed under Data Engineering Tools.","source":"https://estuary.dev/pricing/","question":"What is Estuary Flow?","confidence":0.6},{"answer":"Estuary Flow offers a free tier, so you can start without paying. Paid plans start at $0.50. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://estuary.dev/pricing/","question":"Is Estuary Flow free?","confidence":0.6},{"answer":"Estuary Flow supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://estuary.dev/pricing/","question":"What platforms does Estuary Flow support?","confidence":0.6},{"answer":"Yes. Estuary Flow can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://estuary.dev/pricing/","question":"Can Estuary Flow be self-hosted?","confidence":0.6},{"answer":"We have confirmed 28 integrations for Estuary Flow, including Oracle, MySQL, PostgreSQL, Amazon S3, Google Cloud Storage, Azure Blob Storage, NetSuite and HubSpot, plus 20 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://estuary.dev/pricing/","question":"What does Estuary Flow integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Estuary Flow. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Estuary Flow not holding them. Always confirm compliance directly before you rely on it.","source":"https://estuary.dev/pricing/","question":"What security certifications does Estuary Flow have?","confidence":0.6}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | Apache Airflow is a workflow orchestration platform that enables users to define data pipelines in Python and schedule their execution across distributed workers. It provides a web interface for visualization and monitoring, plus extensive integrations with cloud platforms and services. | Estuary is a fully managed data integration platform that consolidates the capture, movement, and transformation of data across databases, cloud storage, and applications. It supports continuous streaming, scheduled batch operations, and optional transformations using SQL, TypeScript, or dbt. |
| features.capabilities | `{"role":"orchestrator","lineage":true,"paradigm":"batch","dbt_native":true,"data_quality":true,"python_first":true,"managed_cloud":true,"connector_count":"100+","self_hosted_oss":true,"incremental_runs":true,"distributed_executor":true}` | `{"cdc":true,"role":"elt","soc2":true,"paradigm":"both","dbt_native":true,"cdc_support":true,"elt_pushdown":true,"managed_cloud":true,"connector_count":"200+","self_hosted_oss":true,"incremental_runs":true,"reverse_etl_addon":true,"streaming_ingestion":true,"custom_connector_sdk":true,"distributed_executor":true,"schema_drift_handling":true,"self_hosted_available":true,"managed_cloud_available":true}` |
| integrations.count | 54 | 200 |
| integrations.list | `[{"name":"Amazon Web Services"},{"name":"Microsoft Azure"},{"name":"Google Cloud Platform"},{"name":"Databricks"},{"name":"Snowflake"},{"name":"dbt Cloud"},{"name":"Slack"},{"name":"Salesforce"},{"name":"Tableau"},{"name":"PostgreSQL"},{"name":"MySQL"},{"name":"MongoDB"},{"name":"Redis"},{"name":"Kubernetes"},{"name":"Docker"},{"name":"Apache Spark"},{"name":"Apache Kafka"},{"name":"Apache Cassandra"},{"name":"Apache Flink"},{"name":"Apache Druid"},{"name":"Elasticsearch"},{"name":"Datadog"},{"name":"Jenkins"},{"name":"GitHub"},{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Cohere"},{"name":"Pinecone"},{"name":"Weaviate"},{"name":"Qdrant"},{"name":"Oracle"},{"name":"Teradata"},{"name":"SQLite"},{"name":"Presto"},{"name":"Trino"},{"name":"ClickHouse"},{"name":"Neo4j"},{"name":"Airbyte"},{"name":"Informatica"},{"name":"Asana"},{"name":"Atlassian Jira"},{"name":"Discord"},{"name":"Telegram"},{"name":"Segment"},{"name":"PagerDuty"},{"name":"Opsgenie"},{"name":"Keycloak"},{"name":"Yandex"},{"name":"Zendesk"},{"name":"OpenLineage"},{"name":"New Relic","direction":"outbound"},{"name":"Starrocks","direction":"bidirectional"},{"name":"OpenSearch","direction":"outbound"},{"name":"IBM Cognos TM1","direction":"bidirectional"},{"name":"Marquez","direction":"outbound"},{"name":"Nexla","direction":"bidirectional"},{"name":"Vertica","native":true},{"name":"Microsoft SQL Server","native":true},{"name":"Influx DB","native":true},{"name":"Cloudant","native":true},{"name":"OpenFaaS","native":true}]` | `[{"name":"Oracle"},{"name":"MySQL"},{"name":"PostgreSQL"},{"name":"Amazon S3"},{"name":"Google Cloud Storage"},{"name":"Azure Blob Storage"},{"name":"NetSuite"},{"name":"HubSpot"},{"name":"Salesforce"},{"name":"Google Pub/Sub"},{"name":"Amazon Kinesis"},{"name":"Apache Kafka"},{"name":"Snowflake"},{"name":"Google BigQuery"},{"name":"Amazon Redshift"},{"name":"Elasticsearch"},{"name":"MongoDB"},{"name":"Amazon DynamoDB"},{"name":"Pinecone"},{"name":"OpenAI"},{"name":"Databricks"},{"name":"Facebook Ads"},{"name":"LinkedIn Ads"},{"name":"Google Ads"},{"name":"SingleStore"},{"name":"Motherduck"},{"name":"Apache Iceberg"},{"name":"BigQuery","native":true,"category":"data_warehouse"},{"name":"Airbyte","native":false,"category":"connectors"}]` |
| language.primary | Python | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://airflow.apache.org","retrievedAt":"2026-09-07T13:08:28.227Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"No cost, data-limited evaluation","features":["2 connector instances","10 GB/month data limit","Data stored in Estuary cloud storage"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Limited data volume with shared Estuary cloud storage","contactSales":false,"includedLimits":{"connector_instances":"2","data_volume_per_month":"10 GB"}},{"free":false,"name":"Cloud","summary":"$0.50/GB data moved + $100/month per connector (first 6), $50/month each additional","features":["Unlimited connector instances","Usage-based data pricing","Data stored in customer cloud account","Real-time CDC from databases","Batch and streaming data movement","SQL and TypeScript transformations","dbt integration for warehouse transformations","Schema evolution handling"],"components":[{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.5,"currency":"USD"},{"kind":"per_unit","unit":"connector_instance (first 6)","amount":100,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"connector_instance (additional)","amount":50,"period":"month","currency":"USD"}],"description":"Usage-based pricing with data and connector instance charges; includes 30-day free trial","contactSales":false}],"summary":"Free tier with 10 GB/month limit. Cloud plan: $0.50/GB data moved plus connector instance fees.","currency":"USD","freeTier":true,"sourceUrl":"https://estuary.dev/pricing/","retrievedAt":"2026-09-18T15:55:37.792Z","freeTrialDays":30,"startingPrice":{"unit":"connector_instance (additional)","amount":50,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | mid |
| pricing.starting_price | - | `{"amount":50,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | 14 | - |
| release.history | `[{"url":"https://github.com/apache/airflow/releases/tag/3.3.2","date":"2026-09-17T11:10:15Z","type":"stable","version":"3.3.2"},{"url":"https://github.com/apache/airflow/releases/tag/3.3.1","date":"2026-08-12T09:50:17Z","type":"stable","version":"3.3.1"},{"url":"https://github.com/apache/airflow/releases/tag/java-sdk/1.0.0-beta1","date":"2026-07-13T18:14:58Z","type":"prerelease","version":"java-sdk/1.0.0-beta1"},{"url":"https://github.com/apache/airflow/releases/tag/3.3.0","date":"2026-07-06T15:16:00Z","type":"stable","version":"3.3.0"},{"url":"https://github.com/apache/airflow/releases/tag/helm-chart/1.22.0","date":"2026-06-13T23:37:21Z","type":"stable","version":"helm-chart/1.22.0"},{"url":"https://github.com/apache/airflow/releases/tag/airflow-ctl/0.1.5","date":"2026-06-03T20:29:33Z","type":"stable","version":"airflow-ctl/0.1.5"},{"url":"https://github.com/apache/airflow/releases/tag/3.2.2","date":"2026-05-29T06:27:24Z","type":"stable","version":"3.2.2"},{"url":"https://github.com/apache/airflow/releases/tag/helm-chart/1.21.0","date":"2026-04-24T20:54:43Z","type":"stable","version":"helm-chart/1.21.0"},{"url":"https://github.com/apache/airflow/releases/tag/3.2.1","date":"2026-04-22T09:27:57Z","type":"stable","version":"3.2.1"},{"url":"https://github.com/apache/airflow/releases/tag/3.2.0","date":"2026-04-07T14:51:49Z","type":"stable","version":"3.2.0"},{"url":"https://github.com/apache/airflow/releases/tag/helm-chart/1.20.0","date":"2026-03-22T22:34:36Z","type":"stable","version":"helm-chart/1.20.0"},{"url":"https://github.com/apache/airflow/releases/tag/airflow-ctl/0.1.3","date":"2026-03-19T10:35:06Z","type":"stable","version":"airflow-ctl/0.1.3"},{"url":"https://github.com/apache/airflow/releases/tag/3.1.8","date":"2026-03-11T22:16:16Z","type":"stable","version":"3.1.8"},{"url":"https://github.com/apache/airflow/releases/tag/airflow-ctl/0.1.2","date":"2026-02-25T21:45:45Z","type":"stable","version":"airflow-ctl/0.1.2"},{"url":"https://github.com/apache/airflow/releases/tag/helm-chart/1.19.0","date":"2026-02-17T19:54:34Z","type":"stable","version":"helm-chart/1.19.0"},{"url":"https://github.com/apache/airflow/releases/tag/3.1.7","date":"2026-02-04T12:20:25Z","type":"stable","version":"3.1.7"},{"url":"https://github.com/apache/airflow/releases/tag/3.1.6","date":"2026-01-13T11:08:29Z","type":"stable","version":"3.1.6"},{"url":"https://github.com/apache/airflow/releases/tag/airflow-ctl/0.1.1","date":"2026-01-13T21:57:27Z","type":"stable","version":"airflow-ctl/0.1.1"},{"url":"https://github.com/apache/airflow/releases/tag/3.1.5","date":"2025-12-10T09:11:07Z","type":"stable","version":"3.1.5"},{"url":"https://github.com/apache/airflow/releases/tag/3.1.3","date":"2025-11-14T14:47:34Z","type":"stable","version":"3.1.3"}]` | - |
| reliability.sla_pct | - | 99.9 |
| reliability.status_page | - | yes |
| security.certifications | - | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.scorecard | 7.3 | - |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=apache-airflow-providers-common-sql&per_page=100","last_12m":0,"max_severity":"HIGH"}` | - |

## Capabilities (Data Engineering Tools)

| Capability | Apache Airflow | Estuary Flow |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | Orchestrator | ELT / ingestion |
| Processing paradigm | Batch | Batch + streaming |
| **Connectivity** |  |  |
| Connector count | 100+ | 200+ |
| CDC / log-based replication | - | ✓ |
| **Transformation** |  |  |
| In-warehouse transformation (push-down) | - | ✓ |
| dbt-native orchestration | ✓ | ✓ |
| **Deployment** |  |  |
| Self-hosted / open-source available | ✓ | ✓ |
| Managed cloud available | ✓ | ✓ |
| **Governance** |  |  |
| Data lineage / asset catalog | ✓ | - |
| **Authoring** |  |  |
| Python-first authoring | ✓ | - |
| **Execution** |  |  |
| Incremental / partition-aware runs | ✓ | ✓ |
| **Quality** |  |  |
| Built-in data quality / tests | ✓ | - |
| **Scale** |  |  |
| Horizontal scale (distributed executor) | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T19:17:59.502Z. "-" = undocumented, not absent.*