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Head-to-head · IoT Analytics Software

TDengine vs AVEVA PI System

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score TDengine #3 in IoT Analytics Software 9.0/10 Free plan Free plan✓ 0 of 4 features Visit TDengine
AVEVA PI System #8 in IoT Analytics Software 8.5/10 Pricing on request ✓ 2 of 4 features Visit AVEVA

TDengine leads on 0 checks, AVEVA PI System on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTDengine · 9.0/10
  • Free planonly TDengine
  • Most featuresAVEVA PI System · 2 of 4

TDengine scores higher on our rubric for iot analytics software: 9.0 against 8.5 out of 10; our editors rank them #3 and #8.

TDengine is the better fit for large-scale industrial time-series deployments. AVEVA PI System is the better fit for industrial operations needing contextual time-series data.

  • TDengine fits best

    Large-scale industrial time-series deployments

  • AVEVA PI System fits best

    Industrial operations needing contextual time-series data

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature TDengine 9.0/10 Visit ↗ AVEVA PI System 8.5/10 Visit ↗
At a glance
Editor score 9.0 8.5
Ranking #3 in IoT Analytics Software #8 in IoT Analytics Software
Best for Large-scale industrial time-series deployments Industrial operations needing contextual time-series data
Pricing model Free plan + paid Paid
Starting price — Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Web
Support Docs · 24/7 Tickets, Community, Docs
Integrations 14 integrations 8 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features TDengine 0/4 · AVEVA PI System 2/4
Custom dashboards Not checked yet ✓ (best)
SQL querying Not checked yet Not checked yet
Anomaly detection Not checked yet ✓ (best)
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 Real-time
Our review
Pros
  • TDengine SQL supports data definition, writing, and querying
  • Distributed clustering enables horizontal scaling
  • Connects with MQTT, Kafka, OPC UA, PI System, Grafana, and more
  • High-volume, real-time time-series collection and storage
  • Asset frameworks organize metadata, models, hierarchies, and templates
  • Edge, on-premises, and cloud data management with analytics support
Cons
  • Paid plans start at $970 per month
  • Self-hosted paid licenses support 7,500 tags
  • The free tier is limited to self-hosted usage
  • Subscription pricing requires contacting sales
  • Capabilities depend on the licensed portfolio components
  • Focused on industrial operations rather than general-purpose analytics
Our verdict

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 →

AVEVA PI System is an industrial operations data platform for collecting, storing, contextualizing, visualizing, and analyzing real-time information from equipment, sensors, and control systems. It is designed for operators, engineers,…

Read the review →
  1. TDengineIoT Analytics Software 9.0Free plan
  2. AVEVA PI SystemIoT Analytics Software 8.5Pricing on request

Strengths and trade-offs

  • 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

  • AVEVA PI System — where it wins

    • High-volume, real-time time-series collection and storage
    • Asset frameworks organize metadata, models, hierarchies, and templates
    • Edge, on-premises, and cloud data management with analytics support

    Where it doesn't

    • Subscription pricing requires contacting sales
    • Capabilities depend on the licensed portfolio components
    • Focused on industrial operations rather than general-purpose analytics
  • TDengine9.0/10 · Free plan

    A broad industrial time-series platform with a valuable free tier and high paid pricing.

    Visit TDengineFull verdict →
  • AVEVA PI System8.5/10 · Pricing on request

    A broad industrial data platform for real-time context, visualization, and analytics.

    Visit AVEVAFull verdict →

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