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Ancelus vs SingleStore

Ancelus: Proprietary ACID 'algorithmic' database from Indianapolis claiming extreme speed without conventional indexes. SingleStore: Distributed SQL mixing in-memory rowstore and columnstore for real-time analytics, search and vectors.

key differences

  • SingleStore is built for larger datasets (≤ 1 PB) than Ancelus (≤ 10 TB).
  • Horizontal scaling is none in Ancelus and native in SingleStore.
  • Only SingleStore has secondary indexes, full-text search, vector search, geospatial, json.

choose ancelus for

  • +Vendor-led evaluations for latency-sensitive manufacturing or operational data
  • +Complex-schema workloads where the vendor offers a proof of concept

best at · OLTP, Real-time analytics

choose singlestore for

  • +Real-time customer-facing analytics
  • +Fraud detection and risk scoring on streaming data
  • +Ad-tech and IoT ingestion with immediate querying
  • +Hybrid vector plus keyword search for RAG

best at · HTAP, Real-time analytics, Vector search

AncelusProprietary ACID 'algorithmic' database from Indianapolis claiming extreme speed without conventional indexes.
SingleStoreDistributed SQL mixing in-memory rowstore and columnstore for real-time analytics, search and vectors.
overview
Primary model
Relational
Relational
Also supports
Time-Series
Columnar / OLAP, Document, Vector, Search Engine, Spatial
Type
Database engine
Database engine
Status
Active
Active
Developer
Time Compression Strategies Corp.
SingleStore, Inc.
First release
1995
2013
Latest version
–
9.0.44 (Sep 24, 2026)
License
ProprietaryProprietary
ProprietaryProprietary (free developer/standard licenses with limits)
Free tier
—
✓
popularity
WhichDB Score
0.0
29.0
Rank
#687
#92
GitHub stars
–
–
Stack Overflow questions
–
403
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Large (≤ 1 PB)
Horizontal scaling
None
Native
Multi-region
None
Read replicas
ACID
Full
Full
Consistency
Strong
Strong
Schema
Flexible
Strict
Architecture
Single node, Client server
Distributed, In memory, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
–
AWS, Google Cloud, Azure
capabilities
Transactions
✓
✓
Joins
✓
✓
Secondary indexes
—
✓
Full-text search
—
✓
Vector search
—
✓
Geospatial
—
✓
JSON
—
✓
Change data capture
—
✓
Triggers
—
—
Stored procedures
—
✓
Materialized views
—
—
TTL / expiry
—
—
Pub/Sub
—
—
Columnar storage
—
✓
In-memory
—
✓
Durable persistence
✓
✓
Compression
✓
✓
Encryption at rest
—
✓
Role-based access
—
✓
Time travel
—
—
Branching
—
—
Online schema changes
—
✓
Streaming ingest
—
✓
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SQL (integration layer), Proprietary API
SQL, MPSQL (stored procedures)
Client languages
–
Java, Python, JavaScript, Go, C#, PHP, Rust
Best for
OLTP, Real-time analytics
HTAP, Real-time analytics, Vector search, Search
Add more to this comparisonNot sure either fits? Try smart match

Ancelus vs SingleStore: FAQ

What is the difference between Ancelus and SingleStore?

Ancelus: Proprietary ACID 'algorithmic' database from Indianapolis claiming extreme speed without conventional indexes. SingleStore: Distributed SQL mixing in-memory rowstore and columnstore for real-time analytics, search and vectors. SingleStore is built for larger datasets (≤ 1 PB) than Ancelus (≤ 10 TB). Horizontal scaling is none in Ancelus and native in SingleStore. Only SingleStore has secondary indexes, full-text search, vector search, geospatial, json.

When should I choose Ancelus over SingleStore?

Choose Ancelus for vendor-led evaluations for latency-sensitive manufacturing or operational data and complex-schema workloads where the vendor offers a proof of concept. Choose SingleStore for real-time customer-facing analytics; fraud detection and risk scoring on streaming data; and ad-tech and IoT ingestion with immediate querying.

Is Ancelus or SingleStore more popular?

SingleStore ranks #92 on the WhichDB Score (29.0/100) and Ancelus ranks #687 (0.0/100). Popularity is not fit: check the requirements that matter for your project.

Are Ancelus and SingleStore open source?

No. Ancelus is proprietary, closed-source software. No. SingleStore is proprietary, closed-source software.