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Head-to-head · Transaction Data Store Software

Aerospike Database vs PostgreSQL

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Aerospike Database #2 in Transaction Data Store Software 9.2/10 Free plan Free plan✓ 0 of 3 features Visit Aerospike
PostgreSQL #5 in Transaction Data Store Software 8.9/10 Free plan Free plan✓ 1 of 3 features Visit PostgreSQL

Aerospike Database leads on 0 checks, PostgreSQL on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAerospike Database · 9.2/10
  • Free planboth
  • Most featuresPostgreSQL · 1 of 3

Aerospike Database scores higher on our rubric for transaction data store software: 9.2 against 8.9 out of 10; our editors rank them #2 and #5.

On deployment model, Aerospike Database gives you Hybrid where PostgreSQL offers Self_hosted.

Aerospike Database is the better fit for low-latency distributed transactional workloads. PostgreSQL is the better fit for teams wanting a free, flexible relational database.

  • Aerospike Database fits best

    Low-latency distributed transactional workloads

  • PostgreSQL fits best

    Teams wanting a free, flexible relational database

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Side by side

Feature Aerospike Database 9.2/10 Visit ↗ PostgreSQL 8.9/10 Visit ↗
At a glance
Editor score 9.2 8.9
Ranking #2 in Transaction Data Store Software #5 in Transaction Data Store Software
Best for Low-latency distributed transactional workloads Teams wanting a free, flexible relational database
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Self-hosted
Support Tickets, Community, Docs · 24/7 Community, Docs
Built for Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Aerospike Database 0/3 · PostgreSQL 1/3
ACID transactions Not checked yet Not checked yet
SQL interface Not checked yet Not checked yet
High availability Not checked yet ✓ (best)
Specs
Deployment model Hybrid Self_hosted
Consistency model Not checked yet Not checked yet
Maximum storage Not checked yet Not checked yet
Backup retention Not checked yet Not checked yet
Our review
Pros
  • Distributed ACID transactions with configurable consistency
  • Automatic rebalancing, self-healing and cross-datacenter replication
  • Storage choices from memory to all-flash and persistent memory
  • SQL, JSON, and JSONB support structured and JSON-oriented workloads.
  • Streaming and logical replication support standby and high-availability configurations.
  • Runs on Linux, macOS, and Windows as self-managed software.
Cons
  • Community Edition is limited to 8-node clusters and 2.5 TB of data
  • Enterprise Edition pricing is quote-based
  • Enterprise Edition supports clusters up to 256 nodes
  • Self-hosting leaves deployment and ongoing operations to your team.
  • No vendor-hosted managed database service is offered.
  • Support channels are community resources and documentation.
Our verdict

Aerospike Database is a distributed NoSQL database for enterprise applications that need low-latency data access, high availability and large-scale processing. Its key-value, document and graph models, combined with distributed ACID…

Read the review →

PostgreSQL is an open-source object-relational database for storing, querying, and managing structured data. Developers, database administrators, and organizations can use it for relational SQL workloads as well as data modeled with JSON…

Read the review →
  1. Aerospike DatabaseTransaction Data Store Software 9.2Free plan
  2. PostgreSQLTransaction Data Store Software 8.9Free plan

Strengths and trade-offs

  • Aerospike Database — where it wins

    • Distributed ACID transactions with configurable consistency
    • Automatic rebalancing, self-healing and cross-datacenter replication
    • Storage choices from memory to all-flash and persistent memory

    Where it doesn't

    • Community Edition is limited to 8-node clusters and 2.5 TB of data
    • Enterprise Edition pricing is quote-based
    • Enterprise Edition supports clusters up to 256 nodes

  • PostgreSQL — where it wins

    • SQL, JSON, and JSONB support structured and JSON-oriented workloads.
    • Streaming and logical replication support standby and high-availability configurations.
    • Runs on Linux, macOS, and Windows as self-managed software.

    Where it doesn't

    • Self-hosting leaves deployment and ongoing operations to your team.
    • No vendor-hosted managed database service is offered.
    • Support channels are community resources and documentation.
  • Aerospike Database9.2/10 · Free plan

    A distributed NoSQL database with ACID transactions, active-active replication and flexible storage.

    Visit AerospikeFull verdict →
  • PostgreSQL8.9/10 · Free plan

    A flexible, no-license-cost database for teams prepared to manage their own deployment.

    Visit PostgreSQLFull verdict →

More comparisons

All transaction data store software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update