vs

Epsio vs pg_ivm

Epsio: An incremental view engine that keeps complex SQL results fresh inside your existing Postgres or MySQL. pg_ivm: A Postgres extension that keeps materialized views updated incrementally inside the same transaction.

key differences

  • Licensing: Epsio is proprietary (Commercial license); pg_ivm is open source (permissive) (PostgreSQL License).
  • Epsio is built for larger datasets (≤ 10 TB) than pg_ivm (≤ 100 GB).
  • Transactions: Epsio offers limited ACID; pg_ivm offers full.
  • Only Epsio has change data capture, streaming ingest.
  • Only pg_ivm has transactions, triggers, durable persistence.

choose epsio for

  • +Speeding up slow dashboards and reports on OLTP Postgres
  • +Replacing REFRESH MATERIALIZED VIEW cron jobs
  • +Maintaining denormalized tables automatically

best at · Real-time analytics, Streaming, Cache

choose pg-ivm for

  • +Always-fresh summary tables for dashboards
  • +Replacing periodic REFRESH MATERIALIZED VIEW jobs

best at · Real-time analytics, OLTP

overview
Primary model
Relational
Relational
Also supports
–
–
Type
Database engine
Extension
Status
Active
Active
Developer
Epsio Ltd.
SRA OSS (IVM Development Group)
First release
2023
2022
Latest version
–
1.17 (Oct 18, 2026)
License
ProprietaryCommercial license
Open source (permissive)PostgreSQL License
Free tier
✓
✓
popularity
WhichDB Score
0.0
6.4
Rank
#727
#363
GitHub stars
–
1.5K
Stack Overflow questions
–
–
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Small (≤ 100 GB)
Horizontal scaling
None
None
Multi-region
None
None
ACID
Limited
Full
Consistency
Eventual
Strong
Schema
Strict
Strict
Architecture
Single node, Client server
Single node, Primary replica, 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
SQL
Client languages
Any Postgres/MySQL driver
Any Postgres driver
Best for
Real-time analytics, Streaming, Cache
Real-time analytics, OLTP

Epsio vs pg_ivm: FAQ

What is the difference between Epsio and pg_ivm?

Epsio: An incremental view engine that keeps complex SQL results fresh inside your existing Postgres or MySQL. pg_ivm: A Postgres extension that keeps materialized views updated incrementally inside the same transaction. Licensing: Epsio is proprietary (Commercial license); pg_ivm is open source (permissive) (PostgreSQL License). Epsio is built for larger datasets (≤ 10 TB) than pg_ivm (≤ 100 GB). Transactions: Epsio offers limited ACID; pg_ivm offers full.

When should I choose Epsio over pg_ivm?

Choose Epsio for speeding up slow dashboards and reports on OLTP Postgres; replacing REFRESH MATERIALIZED VIEW cron jobs; and maintaining denormalized tables automatically. Choose pg_ivm for always-fresh summary tables for dashboards and replacing periodic REFRESH MATERIALIZED VIEW jobs.

Is Epsio or pg_ivm more popular?

pg_ivm ranks #363 on the WhichDB Score (6.4/100) and Epsio ranks #727 (0.0/100). Popularity is not fit: check the requirements that matter for your project.

Are Epsio and pg_ivm open source?

No. Epsio is proprietary, closed-source software. License: Commercial license. Yes. pg_ivm is open source. License: PostgreSQL License.