kdb+ vs InfluxDB

kdb+8.9Visit InfluxDB8.6Visit

Higher score kdb+ #4 in Time-Series Databases 8.9/10 Pricing on request ✓ 3 of 3 features Visit kdb+

vs

InfluxDB #7 in Time-Series Databases 8.6/10 Free plan · 30-day trial Free planFree trial✓ 3 of 3 features Visit InfluxDB

• kdb+ fits best

  High-performance financial time-series processing

• InfluxDB fits best

  Broad, production-ready time-series workloads

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Side by side

Feature	kdb+ 8.9/10 Visit ↗	InfluxDB 8.6/10 Visit ↗
At a glance
Editor score	8.9	8.6
Ranking	#4 in Time-Series Databases	#7 in Time-Series Databases
Best for	High-performance financial time-series processing	Broad, production-ready time-series workloads
Pricing model	Paid	Free plan + paid
Starting price	Pricing on request	$0.002/GB usage-based
Free plan	Not checked yet	✓ (best)
Free trial	—	30 days
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Windows, macOS, Linux	Web, Windows, macOS, Linux
Support	Community, Docs	Community, Docs
Integrations	17 integrations	400+ integrations
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features kdb+ 3/3 · InfluxDB 3/3
SQL support	✓	✓
Retention policies	✓	✓
Horizontal scaling	✓	✓
Specs
Deployment	Both	Both
Query languages	q, q-SQL	SQL, InfluxQL
Ingestion methods	tickerplant, feed handlers, batch mode, TCP/IP, Apache Kafka, Python, Java, C	line protocol, HTTP API, client libraries, Telegraf, influxdb3 CLI
Our review
Pros	Columnar storage with in-memory real-time processing Tickerplant, feedhandler, and partitioned historical database architecture Integrations across ODBC, Kafka, Java, Python, C, and R	SQL and InfluxQL support with multiple ingestion paths Open-source Core edition for self-managed deployments Cloud, enterprise, and AWS deployment options
Cons	Self-hosted deployment requires infrastructure ownership Closed-source licensing limits source-level customization Pricing requires contacting sales	Several editions have different capabilities and pricing models Core is single-node and community supported Enterprise and Cloud Dedicated use custom pricing
Our verdict	kdb+ is a time-series database and analytics engine for organizations processing real-time and historical data. Its design combines columnar storage, in-memory execution, persistent databases, temporal data types, and the q programming and… Read the review →	InfluxDB is a time-series database for developers and organizations building real-time systems, observability platforms, IoT applications, industrial systems, and analytics workloads. It stores time-stamped data using line protocol and… Read the review →

Strengths and trade-offs

• kdb+ — where it wins

  • Columnar storage with in-memory real-time processing
  • Tickerplant, feedhandler, and partitioned historical database architecture
  • Integrations across ODBC, Kafka, Java, Python, C, and R

  Where it doesn't

  • Self-hosted deployment requires infrastructure ownership
  • Closed-source licensing limits source-level customization
  • Pricing requires contacting sales

• InfluxDB — where it wins

  • SQL and InfluxQL support with multiple ingestion paths
  • Open-source Core edition for self-managed deployments
  • Cloud, enterprise, and AWS deployment options

  Where it doesn't

  • Several editions have different capabilities and pricing models
  • Core is single-node and community supported
  • Enterprise and Cloud Dedicated use custom pricing

• kdb+8.9/10 · Pricing on request

  A specialized, self-hosted engine for real-time and historical financial analytics.

  Visit kdb+Full verdict →
• InfluxDB8.6/10 · Free plan · 30-day trial

  A flexible time-series database with open-source, self-managed, and managed cloud editions.

  Visit InfluxDBFull verdict →