Tools

Real-time OLAP databases

9 tools compared: how each is priced, where it runs, and what to consider instead.

Tool Pricing model Free tier Open source
Apache Doris Open-source MPP database combining real-time analytics with sub-second query response at large scale. Open source + paid Yes Yes
Apache Druid Open-source real-time analytics database that ingests streaming and batch data for interactive dashboards. Open source + paid Yes Yes
Apache Pinot Open-source distributed OLAP database built by LinkedIn for low-latency analytics serving at high query volume. Open source + paid Yes Yes
ClickHouse Open-source columnar database built for sub-second aggregate queries over billions of rows. Open source + paid Yes Yes
ClickHouse Cloud Fully managed cloud version of ClickHouse, billed by compute and storage rather than server count. Usage-based No No
Imply Managed and self-hosted Apache Druid platform built by Druid's original creators. Usage-based No No
StarRocks Open-source MPP database for sub-second analytics across real-time data and data-lake tables. Open source + paid Yes Yes
StarTree Fully managed cloud service for Apache Pinot, built by Pinot's original creators. Usage-based No No
Tinybird Managed real-time analytics platform, built on ClickHouse, for turning event streams into low-latency API endpoints. Free tier + paid Yes No

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