# InfluxDB vs QuestDB

**Leader by vioscaleAI score:** InfluxDB

| Attribute | InfluxDB | QuestDB |
|---|---|---|
| **vioscaleAI score** | 58.3 (68% (medium)) | 49.9 (70% (medium)) |
| activity.commits_last_30d | 1 | 38 |
| adoption.dependent_repos | 10,935 | 106 |
| adoption.github_stars | 31,759 | 17,444 |
| content.faq | `[{"answer":"InfluxDB is a time-series database designed to capture, store, and query high-resolution sensor and operational data at scale in real-time. It provides multiple deployment options including managed cloud services and self-hosted infrastructure, with efficient columnar storage and support for high-cardinality data suitable for monitoring, analytics, and AI applications. It is indexed under Time-Series Databases.","source":"https://www.influxdata.com/influxdb-pricing-test-old/","question":"What is InfluxDB?","confidence":0.6},{"answer":"InfluxDB is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Paid editions are also offered: InfluxDB Cloud Dedicated and InfluxDB Clustered, priced on request. Pricing changes often, so verify at source before relying on it.","source":"https://www.influxdata.com/influxdb-pricing-test-old/","question":"Is InfluxDB free to use?","confidence":0.6},{"answer":"InfluxDB 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://www.influxdata.com/influxdb-pricing-test-old/","question":"What platforms does InfluxDB support?","confidence":0.6},{"answer":"Yes. InfluxDB can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.influxdata.com/influxdb-pricing-test-old/","question":"Can InfluxDB be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001 and GDPR for InfluxDB. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as InfluxDB not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.influxdata.com/security","question":"What security certifications does InfluxDB have?","confidence":0.7},{"answer":"Yes. InfluxDB 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/influxdata/influxdb","question":"Is InfluxDB open source?","confidence":0.95},{"answer":"InfluxDB is available worldwide. Its primary market is the United States.","source":"https://www.influxdata.com/influxdb-pricing-test-old/","question":"Where is InfluxDB available?","confidence":0.75}]` | `[{"answer":"QuestDB is an open-source time-series database engineered for low latency, delivering ultra-low latency ingestion, high throughput, and multi-tier storage for demanding time-series workloads. It is indexed under Time-Series Databases.","source":"https://questdb.io","question":"What is QuestDB?","confidence":0.6},{"answer":"QuestDB offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"Is QuestDB free?","confidence":0.6},{"answer":"QuestDB supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"What platforms does QuestDB support?","confidence":0.6},{"answer":"Yes. QuestDB can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"Can QuestDB be self-hosted?","confidence":0.6},{"answer":"We have confirmed 10 integrations for QuestDB, including PostgreSQL, Parquet, Arrow, Polars, Pandas, Debezium, Iceberg and MySQL, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"What does QuestDB integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for QuestDB. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as QuestDB not holding them. Always confirm compliance directly before you rely on it.","source":"https://questdb.io","question":"What security certifications does QuestDB have?","confidence":0.48},{"answer":"Yes. QuestDB 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/questdb/questdb","question":"Is QuestDB open source?","confidence":0.95},{"answer":"QuestDB is available worldwide. Its primary markets are the United Kingdom and the United States. The vendor is headquartered in the United Kingdom.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"Where is QuestDB available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | A time-stamped data repository engineered to accept high-volume streams of metrics and contextual events, then return query results with minimal latency. Common use cases include infrastructure monitoring, system performance analysis, and real-time business intelligence. | A specialized database engineered to ingest high-volume time-series data at speed, execute queries with minimal latency, and maintain queryable history across tiered storage layers—combining standard SQL with open file formats for portability. |
| features.capabilities | `{"clustering":"distributed","data_model":"metrics","deployment":"self_hosted","compression":"Parquet columnar","downsampling":"retention_policies","ingest_model":"push","licence_class":"permissive_oss","retention_ttl":"automatic","query_language":"SQL","replication_ha":true,"high_cardinality":"strong","sql_compatibility":"full_sql","prometheus_remote_write":false}` | `{"clustering":"distributed","data_model":"events","deployment":"self_hosted","compression":"columnar with frame compression","downsampling":"continuous_aggregates","ingest_model":"push","licence_class":"permissive_oss","retention_ttl":"automatic","query_language":"SQL with time-series extensions (SAMPLE BY, ASOF, HORIZON JOIN, N-dimensional ar","replication_ha":true,"high_cardinality":"strong","sql_compatibility":"full_sql"}` |
| integrations.count | 5,000 | 7 |
| integrations.list | `[{"name":"MailChimp"},{"name":"Telegraf","native":true,"direction":"bidirectional"}]` | `[{"name":"PostgreSQL"},{"name":"Parquet"},{"name":"Arrow"},{"name":"Polars"},{"name":"Pandas"},{"name":"Debezium"},{"name":"Iceberg"},{"name":"MySQL"},{"name":"MongoDB"},{"name":"Cassandra"},{"name":"Kafka","native":true,"direction":"inbound"},{"name":"Apache Parquet","native":true,"direction":"bidirectional"},{"name":"Apache Arrow","native":true,"direction":"bidirectional"},{"name":"Claude Code","native":true,"direction":"bidirectional"},{"name":"REST API","native":true,"direction":"bidirectional"},{"name":"Apache Iceberg","native":true},{"name":"Databricks","category":"data_platform"},{"name":"AWS","category":"cloud"},{"name":"Azure","category":"cloud"}]` |
| language.primary | Rust | Java |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"GB","primaryMarkets":["GB","US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"linux":true}` | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"InfluxDB Cloud Serverless","summary":"$0.0025/MB (data in), $0.012 per 100 queries, $0.002/GB-hour (storage), $0.09/GB (data out)","components":[{"per":{"qty":1,"unit":"MB"},"kind":"metered","amount":0.0025,"currency":"USD"},{"per":{"qty":100,"unit":"query executions"},"kind":"metered","amount":0.012,"currency":"USD"},{"per":{"qty":1,"unit":"GB-hour"},"kind":"metered","amount":0.002,"currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.09,"currency":"USD"}],"description":"Usage-based service for smaller workloads on shared infrastructure with $250 credit upon upgrade.","contactSales":false},{"free":false,"name":"InfluxDB Cloud Dedicated","description":"Fully managed single-tenant service for high-volume production workloads with unlimited scale and private connections.","contactSales":true},{"free":false,"name":"InfluxDB Clustered","description":"Self-managed software for scaled workloads supporting on-premises or private cloud deployment.","contactSales":true}],"summary":"Free tier with usage-based pricing. Enterprise options require quote.","currency":"USD","freeTier":true,"sourceUrl":"https://www.influxdata.com/influxdb-pricing-test-old/","retrievedAt":"2026-09-07T13:14:51.150Z","freeTrialDays":30,"billingPeriods":["month"]}` | `{"type":"hybrid","summary":"Open-source Apache 2.0 free tier; QuestDB Cloud and Enterprise plans available via contact/quote","freeTier":true,"sourceUrl":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","retrievedAt":"2026-08-14T16:37:07.614Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | low |
| pricing.transparent | yes | no |
| release.cadence_days | 13 | 16 |
| release.history | `[{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.11.4","date":"2026-09-08T18:55:40Z","type":"stable","version":"v3.11.4"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.11.3","date":"2026-09-08T18:58:05Z","type":"stable","version":"v3.11.3"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.10.6","date":"2026-09-08T18:56:33Z","type":"stable","version":"v3.10.6"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.9.13","date":"2026-09-08T18:57:32Z","type":"stable","version":"v3.9.13"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.11.2","date":"2026-09-08T18:58:52Z","type":"stable","version":"v3.11.2"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v1.13.1","date":"2026-09-09T22:07:46Z","type":"stable","version":"v1.13.1"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.10.0","date":"2026-06-17T21:13:41Z","type":"stable","version":"v3.10.0"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v2.9.1","date":"2026-05-12T16:41:06Z","type":"stable","version":"v2.9.1"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v2.9.0","date":"2026-05-01T21:58:42Z","type":"stable","version":"v2.9.0"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v1.12.4","date":"2026-04-13T18:13:51Z","type":"stable","version":"v1.12.4"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.9.0","date":"2026-04-03T19:30:34Z","type":"stable","version":"v3.9.0"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v1.12.3","date":"2026-03-12T22:26:43Z","type":"stable","version":"v1.12.3"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v2.8.0","date":"2025-12-12T20:25:00Z","type":"stable","version":"v2.8.0"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.4.0","date":"2025-08-27T14:31:44Z","type":"stable","version":"v3.4.0"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.3.0","date":"2025-07-30T13:27:54Z","type":"stable","version":"v3.3.0"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.0.3","date":"2025-05-16T15:41:16Z","type":"stable","version":"v3.0.3"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v2.7.12","date":"2025-05-29T17:08:26Z","type":"stable","version":"v2.7.12"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.0.2","date":"2025-05-06T17:47:59Z","type":"stable","version":"v3.0.2"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.0.1","date":"2025-04-17T14:06:09Z","type":"stable","version":"v3.0.1"},{"url":"https://github.com/influxdata/influxdb/releases/tag/v3.0.0","date":"2025-04-16T21:21:04Z","type":"stable","version":"v3.0.0"}]` | `[{"url":"https://github.com/questdb/questdb/releases/tag/10.0.1","date":"2026-08-24T13:55:02Z","type":"stable","version":"10.0.1"},{"url":"https://github.com/questdb/questdb/releases/tag/10.0.0","date":"2026-08-06T15:36:51Z","type":"stable","version":"10.0.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.4.3","date":"2026-06-15T17:01:58Z","type":"stable","version":"9.4.3"},{"url":"https://github.com/questdb/questdb/releases/tag/9.4.2","date":"2026-06-09T13:30:03Z","type":"stable","version":"9.4.2"},{"url":"https://github.com/questdb/questdb/releases/tag/9.4.1","date":"2026-06-03T08:03:25Z","type":"stable","version":"9.4.1"},{"url":"https://github.com/questdb/questdb/releases/tag/9.4.0","date":"2026-05-18T12:56:56Z","type":"stable","version":"9.4.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.5","date":"2026-04-13T17:21:09Z","type":"stable","version":"9.3.5"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.4","date":"2026-03-26T16:16:42Z","type":"stable","version":"9.3.4"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.3","date":"2026-02-25T14:23:44Z","type":"stable","version":"9.3.3"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.2","date":"2026-01-28T15:23:29Z","type":"stable","version":"9.3.2"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.1","date":"2026-01-14T16:41:31Z","type":"stable","version":"9.3.1"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.0","date":"2026-01-09T13:08:40Z","type":"stable","version":"9.3.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.2.3","date":"2025-12-18T12:13:27Z","type":"stable","version":"9.2.3"},{"url":"https://github.com/questdb/questdb/releases/tag/9.2.2","date":"2025-12-01T12:48:30Z","type":"stable","version":"9.2.2"},{"url":"https://github.com/questdb/questdb/releases/tag/9.2.1","date":"2025-11-25T14:38:23Z","type":"stable","version":"9.2.1"},{"url":"https://github.com/questdb/questdb/releases/tag/9.2.0","date":"2025-11-13T16:13:27Z","type":"stable","version":"9.2.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.1.1","date":"2025-11-03T15:25:09Z","type":"stable","version":"9.1.1"},{"url":"https://github.com/questdb/questdb/releases/tag/9.1.0","date":"2025-10-03T13:54:02Z","type":"stable","version":"9.1.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.0.3","date":"2025-08-29T18:32:12Z","type":"stable","version":"9.0.3"},{"url":"https://github.com/questdb/questdb/releases/tag/9.0.2","date":"2025-08-15T16:34:55Z","type":"stable","version":"9.0.2"}]` |
| reliability.sla_pct | - | 99.9 |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | yes |
| security.iso27001 | yes | - |
| security.scorecard | 6.7 | 4.4 |
| security.soc2 | yes | yes |
| security.trust_center | https://www.influxdata.com/trust/ | - |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Finfluxdata%2Finfluxdb&per_page=100","last_12m":0,"max_severity":"CRITICAL"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.questdb%3Aquestdb&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Time-Series Databases)

| Capability | InfluxDB | QuestDB |
|---|:--:|:--:|
| **Query** |  |  |
| Query language (SQL / PromQL / InfluxQL-Flux / Graphite) | SQL | SQL with time-series extensions (SAMPLE BY, ASOF, HORIZON JOIN, N-dimensional ar |
| SQL compatibility | Full SQL | Full SQL |
| **Ingest** |  |  |
| Ingest model | Push | Push |
| **Model** |  |  |
| Data model | Metrics (labels/tags) | Wide events |
| **Lifecycle** |  |  |
| Downsampling / rollups | Retention policies | Continuous aggregates |
| Retention / TTL | Automatic | Automatic |
| **Storage** |  |  |
| Compression (columnar / delta / Gorilla) | Parquet columnar | columnar with frame compression |
| **Performance** |  |  |
| High-cardinality handling | Strong | Strong |
| **Scale** |  |  |
| Clustering / horizontal scale | Distributed / sharded | Distributed / sharded |
| Replication / HA | ✓ | ✓ |
| **Deployment** |  |  |
| Deployment | Self-hosted | Self-hosted |
| **Interop** |  |  |
| Prometheus remote-write compatible | ✗ | - |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Permissive OSS |

*Source: vioscaleAI. Generated 2026-10-16T20:58:44.049Z. "-" = undocumented, not absent.*