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Head-to-head · IoT Analytics Software

Apache IoTDB vs TDengine

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Apache IoTDB #1 in IoT Analytics Software 9.3/10 Open source ✓ 0 of 4 features Visit Apache IoTDB
TDengine #3 in IoT Analytics Software 9.0/10 Free plan Free plan✓ 0 of 4 features Visit TDengine

Apache IoTDB leads on 0 checks, TDengine on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreApache IoTDB · 9.3/10
  • Free planonly TDengine

Apache IoTDB scores higher on our rubric for iot analytics software: 9.3 against 9.0 out of 10; our editors rank them #1 and #3.

Apache IoTDB is the better fit for open-source IoT time-series analytics teams. TDengine is the better fit for large-scale industrial time-series deployments.

  • Apache IoTDB fits best

    Open-source IoT time-series analytics teams

  • TDengine fits best

    Large-scale industrial time-series deployments

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Side by side

Feature Apache IoTDB 9.3/10 Visit ↗ TDengine 9.0/10 Visit ↗
At a glance
Editor score 9.3 9.0
Ranking #1 in IoT Analytics Software #3 in IoT Analytics Software
Best for Open-source IoT time-series analytics teams Large-scale industrial time-series deployments
Pricing model Free Free plan + paid
Starting price Open source —
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Cloud, Self-hosted, Desktop Cloud, Self-hosted
Platforms Web, Windows, Linux Web, Windows, macOS, Linux
Support Community, Docs Docs · 24/7
Integrations 4 integrations 14 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Apache IoTDB 0/4 · TDengine 0/4
Custom dashboards Not checked yet Not checked yet
SQL querying Not checked yet Not checked yet
Anomaly detection Not checked yet Not checked yet
Machine learning tools Not checked yet Not checked yet
Specs
Device limit Not checked yet Not checked yet
Data retention Not checked yet Not checked yet
Stream processing Not checked yet Not checked yet
Our review
Pros
  • SQL querying with tree and table data models
  • High-throughput ingestion with APIs, MQTT, REST, CSV, and TsFile
  • Retention controls, clustering, and broad analytics integrations
  • TDengine SQL supports data definition, writing, and querying
  • Distributed clustering enables horizontal scaling
  • Connects with MQTT, Kafka, OPC UA, PI System, Grafana, and more
Cons
  • Requires self-managed deployment and operational ownership
  • Its IoT-native focus may exceed simpler analytics needs
  • Advanced use may require familiarity with IoTDB SQL dialects
  • Paid plans start at $970 per month
  • Self-hosted paid licenses support 7,500 tags
  • The free tier is limited to self-hosted usage
Our verdict

Apache IoTDB is an open-source, IoT-native time-series database for organizations managing large volumes of device and sensor data. It is designed for industrial applications including energy, transportation, aerospace, manufacturing, and…

Read the review →

TDengine is a distributed time-series database for industrial and IoT data. It is designed for enterprises and teams managing high-volume sensor, telemetry, and operational data across self-hosted or fully managed cloud deployments. Its…

Read the review →
  1. Apache IoTDBIoT Analytics Software 9.3Open source
  2. TDengineIoT Analytics Software 9.0Free plan

Strengths and trade-offs

  • Apache IoTDB — where it wins

    • SQL querying with tree and table data models
    • High-throughput ingestion with APIs, MQTT, REST, CSV, and TsFile
    • Retention controls, clustering, and broad analytics integrations

    Where it doesn't

    • Requires self-managed deployment and operational ownership
    • Its IoT-native focus may exceed simpler analytics needs
    • Advanced use may require familiarity with IoTDB SQL dialects

  • TDengine — where it wins

    • TDengine SQL supports data definition, writing, and querying
    • Distributed clustering enables horizontal scaling
    • Connects with MQTT, Kafka, OPC UA, PI System, Grafana, and more

    Where it doesn't

    • Paid plans start at $970 per month
    • Self-hosted paid licenses support 7,500 tags
    • The free tier is limited to self-hosted usage

More comparisons

All IoT analytics software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update