Software · head to head
Apache Druid vs PlanetScale
Apache Druid
Software
Real-time analytics database for sub-second OLAP queries
- From
- Free
- Rated
- -
The short version
- Only Apache Druid has a free tier, so it costs nothing to try first.
- Each has a real cost: Apache Druid open-source offering lacks high-availability, distributed architecture, and enterprise security features; PlanetScale eBS High Availability requires 3-node configuration with replication overhead
- They diverge on capability: Apache Druid covers Real-time Ingestion, PlanetScale covers Database Branching.
Where they differ
Only the attributes on which Apache Druid and PlanetScale actually diverge.
| Attribute | Apache Druid | PlanetScale |
|---|---|---|
| Starting price | Free | $15/month |
| Pricing model | open-source | subscription |
| Free tier | Yes | No |
| Platforms | Docker, Kubernetes, Native deployment (Java-based) | Cloud-hosted (AWS, GCP, Azure) |
| Founded | 1999 | 2018 |
Identical on both: user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Apache Druid
- Real-time Ingestion
- Sub-second Queries
- Column-oriented Storage
- Streaming Integration
- Approximate Algorithms
- Flexible Schemas
- Time-based Partitioning
- Kafka
Only in PlanetScale
- Database Branching
- Non-blocking Schema Changes
- Insights
- Horizontal Scaling
- Connection Pooling
- Query Caching
- Automatic Backups
- Global Replication
What people use each for
The jobs each tool is most often brought in to do.
Apache Druid
- Real-time analytics platforms ingesting millions of events per second from streaming sourcesnot PlanetScale
- Applications requiring sub-second queries over high-cardinality datasets (billions to trillions of rows)not PlanetScale
- Time-series and event analysis at massive scale with columnar storage efficiencynot PlanetScale
PlanetScale
- MySQL database hosting with automatic failover and replicationnot Apache Druid
- Vitess-based sharding for horizontal scaling across large datasetsnot Apache Druid
- Cloud provider flexibility across AWS, GCP, Azure with 60+ regionsnot Apache Druid
- Cost-effective database clusters using ARM64 architecture optionsnot Apache Druid
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Apache Druid
- Open-source offering lacks high-availability, distributed architecture, and enterprise security features
- Requires native integration with Apache Kafka or Amazon Kinesis for real-time ingestion; custom integrations need development
- High-concurrency query support (hundreds of thousands QPS) requires significant cluster infrastructure investment
PlanetScale
- EBS High Availability requires 3-node configuration with replication overhead
- EBS Non-HA single-node option lacks redundancy and automatic failover
- Pricing varies by cloud provider and region, requiring queries for specific rates
- ARM64 architecture only available on EBS tier, not Metal deployments
Pricing, plan by plan
Apache Druid
FreeNo published plan breakdown. See the Apache Druid review.
PlanetScale
$15/monthNo published plan breakdown. See the PlanetScale review.
Which should you pick?
Choose Apache Druid if
- You need real-time ingestion.
- You want to start without paying.
- You work on Docker, Kubernetes, Native deployment (Java-based).
- You also want sub-second queries.
Choose PlanetScale if
- You need database branching.
- You work on Cloud-hosted (AWS, GCP, Azure).
- You also want non-blocking schema changes.
Questions people ask
- Is Apache Druid or PlanetScale better?
- Neither clearly leads. Apache Druid starts at Free and PlanetScale at $15/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Apache Druid or PlanetScale?
- Apache Druid has a free tier; the other does not. Paid plans start at Free for Apache Druid and $15/month for PlanetScale.
- Does Apache Druid or PlanetScale run on more platforms?
- Apache Druid runs on Docker, Kubernetes, Native deployment (Java-based). PlanetScale runs on Cloud-hosted (AWS, GCP, Azure).
- Can I use Apache Druid for free?
- Yes. Apache Druid has a free tier, so you can try it without paying. PlanetScale starts at $15/month.
- What is Apache Druid best used for?
- Apache Druid is most often used for real-time analytics platforms ingesting millions of events per second from streaming sources, applications requiring sub-second queries over high-cardinality datasets (billions to trillions of rows), time-series and event analysis at massive scale with columnar storage efficiency. Of those, real-time analytics platforms ingesting millions of events per second from streaming sources and applications requiring sub-second queries over high-cardinality datasets (billions to trillions of rows) are not what PlanetScale is typically brought in for.
- What can Apache Druid do that PlanetScale cannot?
- Apache Druid covers Real-time Ingestion, Sub-second Queries, Column-oriented Storage, Streaming Integration. PlanetScale covers Database Branching, Non-blocking Schema Changes, Insights, Horizontal Scaling.