# TDengine vs TimescaleDB

| Attribute | TDengine | TimescaleDB |
|---|---|---|
| **Vioscale score** | 55.6 (69% (medium)) | 55.2 (51% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 7 | 0 |
| adoption.github_stars | 25,090 | 23,420 |
| deployment.options | `{"cloud":true,"hybrid":true,"self_hosted":true}` | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | AI-native industrial data platform and high-performance time-series database that unifies data ingestion, storage, analytics, modeling, visualization, and AI applications. | TimescaleDB is a PostgreSQL extension designed to handle machine data and time-series workloads at scale, enabling operational databases for IoT platforms and physical-world monitoring. |
| features.capabilities | `{"clustering":"distributed","data_model":"metrics","deployment":"self_hosted","downsampling":"continuous_aggregates","ingest_model":"push","licence_class":"source_available","replication_ha":true,"high_cardinality":"strong"}` | `{"clustering":"distributed","data_model":"metrics","deployment":"embedded","ingest_model":"both","licence_class":"permissive_oss","query_language":"SQL","sql_compatibility":"full_sql"}` |
| integrations.count | 3 | 7 |
| integrations.list | `[{"name":"Java"},{"name":"Python"},{"name":"Go"}]` | `[{"name":"Kafka"},{"name":"S3"},{"name":"Iceberg"},{"name":"AWS"},{"name":"Azure"},{"name":"Observability tools"},{"name":"Postgres ecosystem"}]` |
| language.primary | C | C |
| license.spdx | AGPL-3.0 | - |
| market.availability | - | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"linux":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free Tier","summary":"Free forever for up to 5,000 tags","features":["Up to 5,000 tags","Product usage rights"],"components":[{"kind":"fixed","amount":0,"period":"year","currency":"USD"}],"description":"Free for deployments up to 5,000 tags. Includes product usage rights. Standard Support available optionally.","contactSales":false,"includedLimits":{"tags":"5,000"}},{"free":false,"name":"Annual License","summary":"From $12,500/year for 7,500 tags. Standard Support included.","features":["Pricing scales from 7,500 to 500,000+ tags","Standard Support","Software updates","Security patches"],"commitment":"annual","description":"Annual license for deployments above 5,000 tags. Pricing varies by tag count. Standard Support included.","contactSales":false},{"free":false,"name":"Perpetual License","summary":"From $31,250 for 7,500 tags. One-time payment.","features":["Perpetual usage rights"],"description":"One-time perpetual license for deployments above 5,000 tags. Pricing varies by tag count.","contactSales":false}],"addOns":[{"name":"Annual Support (Free Tier)","components":[{"kind":"fixed","amount":3375,"period":"year","currency":"USD"}]},{"name":"High Availability","components":[{"of":"annual or perpetual plan cost","kind":"percentage","plus":null,"rate":30}]}],"summary":"Free for up to 5,000 tags. Annual licenses from $12,500/year, perpetual from $31,250 (both scale with tag count). Optional support from $3,375/year. High Availability at +30%.","currency":"USD","freeTier":true,"sourceUrl":"https://tdengine.com","retrievedAt":"2026-08-01T15:41:16.091Z","billingPeriods":["year"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Cloud Basic Support","features":["Email support","General questions","Best practices guidance"],"description":"Support included with all Tiger Cloud trials and subscriptions; email support during business hours (Mon-Fri, 9AM-5PM ET) with 1 business day target response time.","contactSales":false},{"free":false,"name":"Cloud Production Support","features":["24x7 support for Severity 1-2","1h response for critical issues","Support portal access","On-call assistance"],"description":"24x7 coverage for severe incidents with 1 hour target response for critical database down issues; 4 hour response for high-severity; 1 business day for moderate.","contactSales":true}],"summary":"Open source core; Cloud managed and Enterprise self-hosted options available; contact sales for pricing details","freeTier":true,"sourceUrl":"https://www.tigerdata.com/learn/understanding-rds-pricing-and-costs","retrievedAt":"2026-08-13T16:49:36.728Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | low |
| pricing.transparent | yes | no |
| release.cadence_days | 28 | 13 |
| release.history | `[{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6","date":"2026-04-30T02:07:04Z","type":"stable","version":"ver-3.4.1.6"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.0","date":"2026-04-01T14:18:08Z","type":"stable","version":"ver-3.4.1.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.0.9","date":"2026-03-02T12:27:15Z","type":"stable","version":"ver-3.4.0.9"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.0.2","date":"2026-02-02T09:15:26Z","type":"stable","version":"ver-3.4.0.2"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.0.0","date":"2026-01-08T02:43:19Z","type":"stable","version":"ver-3.4.0.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.8","date":"2025-12-02T13:40:22Z","type":"stable","version":"ver-3.3.8.8"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.4","date":"2025-11-04T02:12:50Z","type":"stable","version":"ver-3.3.8.4"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.1","date":"2025-10-11T08:51:59Z","type":"stable","version":"ver-3.3.8.1"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.0","date":"2025-09-30T06:44:35Z","type":"stable","version":"ver-3.3.8.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.7.5","date":"2025-08-28T01:51:47Z","type":"stable","version":"ver-3.3.7.5"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.7.0","date":"2025-07-29T08:24:00Z","type":"stable","version":"ver-3.3.7.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.13","date":"2025-07-01T12:29:08Z","type":"stable","version":"ver-3.3.6.13"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.9","date":"2025-06-03T11:44:31Z","type":"stable","version":"ver-3.3.6.9"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.6","date":"2025-05-15T07:53:55Z","type":"stable","version":"ver-3.3.6.6"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.3","date":"2025-04-15T00:58:09Z","type":"stable","version":"ver-3.3.6.3"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.6.0","date":"2025-03-25T11:58:53Z","type":"stable","version":"ver-3.3.6.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.5.8","date":"2025-02-28T14:18:53Z","type":"stable","version":"ver-3.3.5.8"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.5.2","date":"2025-01-20T07:07:35Z","type":"stable","version":"ver-3.3.5.2"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.5.0","date":"2025-01-02T08:27:47Z","type":"stable","version":"ver-3.3.5.0"},{"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.3.4.8","date":"2024-12-03T03:24:06Z","type":"stable","version":"ver-3.3.4.8"}]` | `[{"url":"https://github.com/timescale/timescaledb/releases/tag/2.29.2","date":"2026-08-18T08:48:11Z","type":"stable","version":"2.29.2"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.29.1","date":"2026-08-04T08:54:38Z","type":"stable","version":"2.29.1"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.29.0","date":"2026-07-28T11:49:24Z","type":"stable","version":"2.29.0"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.28.3","date":"2026-07-16T12:54:32Z","type":"stable","version":"2.28.3"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.28.2","date":"2026-06-30T11:35:40Z","type":"stable","version":"2.28.2"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.28.1","date":"2026-06-23T08:29:24Z","type":"stable","version":"2.28.1"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.28.0","date":"2026-06-16T10:20:10Z","type":"stable","version":"2.28.0"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.27.2","date":"2026-06-02T10:28:34Z","type":"stable","version":"2.27.2"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.27.1","date":"2026-05-19T10:37:36Z","type":"stable","version":"2.27.1"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.27.0","date":"2026-05-12T08:35:57Z","type":"stable","version":"2.27.0"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.26.4","date":"2026-04-28T20:37:35Z","type":"stable","version":"2.26.4"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.26.3","date":"2026-04-14T09:24:02Z","type":"stable","version":"2.26.3"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.26.2","date":"2026-04-08T10:37:56Z","type":"stable","version":"2.26.2"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.26.1","date":"2026-03-30T08:23:08Z","type":"stable","version":"2.26.1"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.26.0","date":"2026-03-24T12:44:25Z","type":"stable","version":"2.26.0"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.25.2","date":"2026-03-03T09:28:51Z","type":"stable","version":"2.25.2"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.25.1","date":"2026-02-17T11:43:20Z","type":"stable","version":"2.25.1"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.25.0","date":"2026-01-29T09:02:59Z","type":"stable","version":"2.25.0"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.24.0","date":"2025-12-03T09:01:11Z","type":"stable","version":"2.24.0"},{"url":"https://github.com/timescale/timescaledb/releases/tag/2.23.1","date":"2025-11-13T16:59:40Z","type":"stable","version":"2.23.1"}]` |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | yes | - |
| security.scorecard | 4 | 5.8 |
| security.soc2 | yes | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40tdengine%2Fclient&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=debian&package_name=timescaledb&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Time-Series Databases)

| Capability | TDengine | TimescaleDB |
|---|:--:|:--:|
| **Query** |  |  |
| Query language (SQL / PromQL / InfluxQL-Flux / Graphite) | - | SQL |
| SQL compatibility | - | Full SQL |
| **Ingest** |  |  |
| Ingest model | Push | Both |
| **Model** |  |  |
| Data model | Metrics (labels/tags) | Metrics (labels/tags) |
| **Lifecycle** |  |  |
| Downsampling / rollups | Continuous aggregates | - |
| Retention / TTL | - | - |
| **Storage** |  |  |
| Compression (columnar / delta / Gorilla) | - | - |
| **Performance** |  |  |
| High-cardinality handling | Strong | - |
| **Scale** |  |  |
| Clustering / horizontal scale | Distributed / sharded | Distributed / sharded |
| Replication / HA | ✓ | - |
| **Deployment** |  |  |
| Deployment | Self-hosted | Embedded |
| **Interop** |  |  |
| Prometheus remote-write compatible | - | - |
| **Licensing** |  |  |
| Licence class | Source-available | Permissive OSS |

*Source: Vioscale. Generated 2026-09-01T16:53:43.794Z. "-" = undocumented, not absent.*