Software · head to head
SingleStore vs DuckDB

SingleStore
Software
The real-time distributed SQL database for data-intensive applications
- From
- Free
- Rated
- -
The short version
- Each has a real cost: SingleStore high licensing costs that increase with data scale and cluster size; DuckDB client-server setup remains in beta and not recommended for production distributed scenarios
- They diverge on capability: SingleStore covers Real-time Analytics, DuckDB covers In-process Execution.
Where they differ
Only the attributes on which SingleStore and DuckDB actually diverge.
| Attribute | SingleStore | DuckDB |
|---|---|---|
| Pricing model | Unknown | open-source |
| Platforms | Cloud (SingleStoreDB Cloud), Self-Managed | Linux, macOS, Windows, WebAssembly |
| Founded | 2011 | 2019 |
Identical on both: starting price (Free), free tier (Yes), 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 SingleStore
- Real-time Analytics
- Fast Data Ingest
- In-memory Processing
- Distributed Architecture
- MySQL Compatible
- Vector Search
- Kafka
- Spark
Only in DuckDB
- In-process Execution
- Vectorized Execution
- Rich SQL Support
- Parquet Support
- CSV/JSON Import
- Zero Dependencies
- Python
- R
Both cover
- Columnar Storage
- Linux support
What people use each for
The jobs each tool is most often brought in to do.
SingleStore
- Transaction processingnot DuckDB
- Data storagenot DuckDB
- Application backendnot DuckDB
- Reportingnot DuckDB
- Data analyticsnot DuckDB
DuckDB
- Analytics and data warehousingnot SingleStore
- OLAP queries and data explorationnot SingleStore
- Data science and machine learning workflowsnot SingleStore
- Multi-format data ingestion and processingnot SingleStore
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
SingleStore
- High licensing costs that increase with data scale and cluster size
- Eventual consistency in replication: secondary replicas may lag during high write loads
- Complex operational setup requiring specialized knowledge for optimization
- Vendor lock-in due to proprietary technology without open-source alternatives
- Disorganized documentation and lack of online training resources
DuckDB
- Client-server setup remains in beta and not recommended for production distributed scenarios
Pricing, plan by plan
SingleStore
Free- Free Tier$0.99/month
- Usage-based pricing
- Limited resources
DuckDB
FreeNo published plan breakdown. See the DuckDB review.
Which should you pick?
Choose SingleStore if
- You need real-time analytics.
- You want to start without paying.
- You work on Cloud (SingleStoreDB Cloud), Self-Managed.
- You also want fast data ingest.
Choose DuckDB if
- You need in-process execution.
- You want to start without paying.
- You work on Linux, macOS, Windows, WebAssembly.
- You also want vectorized execution.
Questions people ask
- Is SingleStore or DuckDB better?
- Neither clearly leads. SingleStore starts at Free and DuckDB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, SingleStore or DuckDB?
- SingleStore starts at Free and DuckDB at Free.
- Does SingleStore or DuckDB run on more platforms?
- SingleStore runs on Cloud (SingleStoreDB Cloud), Self-Managed. DuckDB runs on Linux, macOS, Windows, WebAssembly.
- Can I use SingleStore for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is SingleStore best used for?
- SingleStore is most often used for transaction processing, data storage, application backend, reporting. Of those, transaction processing and data storage are not what DuckDB is typically brought in for.
- What can SingleStore do that DuckDB cannot?
- SingleStore covers Real-time Analytics, Fast Data Ingest, In-memory Processing, Distributed Architecture. DuckDB covers In-process Execution, Vectorized Execution, Rich SQL Support, Parquet Support. Both handle Columnar Storage, Linux support.
Answered from the vendors’ own pages
SingleStore: Does SingleStore offer a free tier?
Yes, SingleStore offers a free tier starting from $0.99/month with usage-based pricing. The free tier allows developers to evaluate the platform with limited resources before scaling to production workloads.
SourceSingleStore: Can SingleStore handle both transactional and analytical workloads?
Yes, SingleStore is a hybrid transactional/analytical processing (HTAP) database that combines operational (OLTP) and analytical (OLAP) workloads in a single unified engine, eliminating the need for separate systems.
SourceSingleStore: Does SingleStore integrate with Apache Spark?
Yes, SingleStore provides the Spark Connector 3.0 for bidirectional data integration with Apache Spark. The connector supports SQL, Python, Scala, Java, and R for data loading and extraction.
SourceSingleStore: Can SingleStore ingest data from Kafka?
Yes, SingleStore supports high-throughput streaming ingestion from Apache Kafka and other sources, enabling millions of events per second without requiring ETL pipelines or data movement.
SourceSingleStore: Is SingleStore available as cloud or self-managed?
SingleStore offers both deployment options: SingleStoreDB Cloud (managed service) and SingleStore Self-Managed for on-premises or private cloud deployments. The managed service handles infrastructure, scaling, and maintenance automatically.
Source
