MariaDB vs PostgreSQL

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 MariaDB if you need MySQL Compatibility and prefer a free starting option. Choose PostgreSQL if you prioritize ACID Compliance and want a free tier to start. PostgreSQL has a higher user rating (4.8 vs 4.5).

MariaDB vs PostgreSQL: At a Glance

CriteriaMariaDBPostgreSQL
User Rating
4.5
4.8
PricingFreeFree
Pricing Modelopen-sourceopen-source
Free Plan
PlatformsLinux, Windows, Mac, DockerLinux, Windows, Mac, Docker
CategoryDatabase & Data ManagementDatabase & Data Management
Founded20091996

Feature Comparison: MariaDB vs PostgreSQL

FeatureMariaDBPostgreSQL
MySQL Compatibility
Aria Storage Engine
ColumnStore
Galera Cluster
MaxScale
Spider Engine
Temporal Tables
phpMyAdmin
DBeaver
HeidiSQL
Prisma
Sequelize
Linux support
Windows support
Mac support
ACID Compliance
JSON/JSONB Support
Full-text Search
Extensibility
Advanced Indexing
Partitioning
Replication
pgAdmin
TypeORM

MariaDB vs PostgreSQL: Pricing Breakdown

MariaDB Pricing

Model: open-source

Community ServerFree
  • MySQL compatibility
  • Enhanced storage engines
  • Performance improvements
  • Community support
Enterprise$3000/year
  • Enterprise support
  • Advanced security
  • Monitoring tools

PostgreSQL Pricing

Model: open-source

Open SourceFree
  • Full database functionality
  • Community support
  • Regular updates
  • Enterprise-ready features

Pros and Cons

MariaDB

Pros

  • Highly rated by users (4.5/5)
  • Free plan available to get started
  • Available on 4 platforms (Linux, Windows, Mac, Docker)
  • Rich feature set with 15+ capabilities
  • Strong MySQL Compatibility functionality
  • Strong Aria Storage Engine functionality

Cons

  • May require time to learn advanced features

PostgreSQL

Pros

  • Highly rated by users (4.8/5)
  • Free plan available to get started
  • Available on 4 platforms (Linux, Windows, Mac, Docker)
  • Rich feature set with 15+ capabilities
  • Strong ACID Compliance functionality
  • Strong JSON/JSONB Support functionality

Cons

  • May require time to learn advanced features

Who Should Use MariaDB vs PostgreSQL?

Choose MariaDB if you:

  • Need MySQL Compatibility
  • Want to start for free
  • Work primarily on Linux and Windows
  • Value Aria Storage Engine
View MariaDB Details

Choose PostgreSQL if you:

  • Need ACID Compliance
  • Want to start for free
  • Work primarily on Linux and Windows
  • Value JSON/JSONB Support
View PostgreSQL Details

Frequently Asked Questions: MariaDB vs PostgreSQL

Is MariaDB better than PostgreSQL?

It depends on your needs. MariaDB has a 4.5/5 user rating while PostgreSQL has 4.8/5. MariaDB excels in MySQL Compatibility and Aria Storage Engine, while PostgreSQL stands out with ACID Compliance and JSON/JSONB Support. Consider your budget (Free vs Free), platform needs, and specific feature requirements.

Which is cheaper, MariaDB or PostgreSQL?

MariaDB offers a free plan and starts at Free. PostgreSQL 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 MariaDB and PostgreSQL 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 MariaDB and PostgreSQL?

The key differences include: pricing model (open-source vs open-source), platform support (Linux, Windows, Mac, Docker vs Linux, Windows, Mac, Docker), and feature focus. MariaDB emphasizes MySQL Compatibility, Aria Storage Engine, ColumnStore while PostgreSQL focuses on ACID Compliance, JSON/JSONB Support, Full-text Search. User ratings differ slightly: 4.5 vs 4.8 out of 5.

Ready to choose?

Explore detailed reviews, user ratings, and pricing for both MariaDB and PostgreSQL.