Apache Druid vs Cassandra
A comprehensive head-to-head comparison of two leading database & data management solutions in 2026. Compare features, pricing, ratings, and more to find the right fit.
Quick Verdict
Choose Apache Druid if you need Real-time Ingestion and prefer a free starting option. Choose Cassandra if you prioritize Linear Scalability and want a free tier to start. Cassandra has a higher user rating (4.4 vs 4.3).
Apache Druid vs Cassandra: At a Glance
| Criteria | Apache Druid | Cassandra |
|---|---|---|
| User Rating | 4.3 | 4.4 |
| Pricing | Free | Free |
| Pricing Model | open-source | open-source |
| Free Plan | ||
| Platforms | Linux, Docker, Kubernetes | Linux, Windows, Mac, Docker |
| Category | Database & Data Management | Database & Data Management |
| Founded | 1999 | 1999 |
Feature Comparison: Apache Druid vs Cassandra
| Feature | Apache Druid | Cassandra |
|---|---|---|
| Real-time Ingestion | ||
| Sub-second Queries | ||
| Column-oriented Storage | ||
| Streaming Integration | ||
| Approximate Algorithms | ||
| Flexible Schemas | ||
| Time-based Partitioning | ||
| Kafka | ||
| Hadoop | ||
| Spark | ||
| Airflow | ||
| Superset | ||
| Linux support | ||
| Docker support | ||
| Kubernetes support | ||
| Linear Scalability | ||
| Fault Tolerance | ||
| Multi-datacenter Replication | ||
| Tunable Consistency | ||
| CQL Query Language | ||
| Distributed Architecture | ||
| No Single Point of Failure | ||
| DataStax | ||
| Apache Spark | ||
| Apache Kafka | ||
| Presto | ||
| cqlsh | ||
| Windows support | ||
| Mac support |
Apache Druid vs Cassandra: Pricing Breakdown
Apache Druid Pricing
Model: open-source
- Real-time ingestion
- Sub-second queries
- Horizontal scaling
- High availability
Cassandra Pricing
Model: open-source
- Linear scalability
- Fault tolerance
- Multi-datacenter replication
- CQL query language
Pros and Cons
Apache Druid
Pros
- Highly rated by users (4.3/5)
- Free plan available to get started
- Available on 3 platforms (Linux, Docker, Kubernetes)
- Rich feature set with 15+ capabilities
- Strong Real-time Ingestion functionality
- Strong Sub-second Queries functionality
Cons
- May require time to learn advanced features
Cassandra
Pros
- Highly rated by users (4.4/5)
- Free plan available to get started
- Available on 4 platforms (Linux, Windows, Mac, Docker)
- Rich feature set with 15+ capabilities
- Strong Linear Scalability functionality
- Strong Fault Tolerance functionality
Cons
- May require time to learn advanced features
Who Should Use Apache Druid vs Cassandra?
Choose Apache Druid if you:
- Need Real-time Ingestion
- Want to start for free
- Work primarily on Linux and Docker
- Value Sub-second Queries
Choose Cassandra if you:
- Need Linear Scalability
- Want to start for free
- Work primarily on Linux and Windows
- Value Fault Tolerance
Frequently Asked Questions: Apache Druid vs Cassandra
Is Apache Druid better than Cassandra?
It depends on your needs. Apache Druid has a 4.3/5 user rating while Cassandra has 4.4/5. Apache Druid excels in Real-time Ingestion and Sub-second Queries, while Cassandra stands out with Linear Scalability and Fault Tolerance. Consider your budget (Free vs Free), platform needs, and specific feature requirements.
Which is cheaper, Apache Druid or Cassandra?
Apache Druid offers a free plan and starts at Free. Cassandra offers a free plan and starts at Free. Compare the specific plan features to determine the best value for your use case.
Can I use Apache Druid and Cassandra together?
While both are database & data management tools, some teams use complementary software together. Check each product's API and integration capabilities for compatibility. However, most users find that one solution covers their core database & data management needs.
What are the main differences between Apache Druid and Cassandra?
The key differences include: pricing model (open-source vs open-source), platform support (Linux, Docker, Kubernetes vs Linux, Windows, Mac, Docker), and feature focus. Apache Druid emphasizes Real-time Ingestion, Sub-second Queries, Column-oriented Storage while Cassandra focuses on Linear Scalability, Fault Tolerance, Multi-datacenter Replication. User ratings differ slightly: 4.3 vs 4.4 out of 5.
Ready to choose?
Explore detailed reviews, user ratings, and pricing for both Apache Druid and Cassandra.