Azure Database for PostgreSQL vs AlloyDB for PostgreSQL

Azure Database for PostgreSQL9.1Visit AlloyDB for PostgreSQL8.9Visit

Higher score Azure Database for PostgreSQL #4 in PostgreSQL Hosting 9.1/10 Paid ✓ 2 of 4 features Visit Microsoft

vs

AlloyDB for PostgreSQL #6 in PostgreSQL Hosting 8.9/10 From $0.07 · 30-day trial Free trial✓ 2 of 4 features Visit Google Cloud

• Azure Database for PostgreSQL fits best

  Azure-centered enterprise PostgreSQL deployments

• AlloyDB for PostgreSQL fits best

  Analytics- and AI-heavy PostgreSQL workloads

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Side by side

Feature	Azure Database for PostgreSQL 9.1/10 Visit ↗	AlloyDB for PostgreSQL 8.9/10 Visit ↗
At a glance
Editor score	9.1	8.9
Ranking	#4 in PostgreSQL Hosting	#6 in PostgreSQL Hosting
Best for	Azure-centered enterprise PostgreSQL deployments	Analytics- and AI-heavy PostgreSQL workloads
Pricing model	Paid	Paid
Starting price	—	From $0.07 · 30-day trial
Free plan	—	—
Free trial	—	30 days
Deployment	Cloud	Cloud
Platforms	Web	Web
Features Azure Database for PostgreSQL 2/4 · AlloyDB for PostgreSQL 2/4
High availability	✓	✓
Point-in-time recovery	Not checked yet	Not checked yet
Read replicas	✓	✓
Custom extensions	Not checked yet	Not checked yet
Specs
Maximum storage	Not checked yet	Not checked yet
Backup retention	7 days	14 days (best)
Our review
Pros	Zone-redundant HA with automatic failover to a standby replica Cross-region and cascading read replicas for distributed workloads Private Link, PgBouncer pooling, and Azure AI integration	High availability, automatic failover, backups, and read replicas Columnar engine, index advisor, and adaptive query optimization Vector search and AI integration with Google Cloud services
Cons	No perpetual free plan Pricing varies by region, currency, agreement, and usage Best fit depends on adopting the Azure ecosystem	No free plan; pricing is usage-based rather than fixed Costs also include memory, storage, backups, and networking Designed for Google Cloud rather than self-managed deployments
Our verdict	Azure Database for PostgreSQL is a fully managed cloud database service built on the PostgreSQL engine. Microsoft manages infrastructure, patching, backups, high availability, and scaling, while users connect through standard PostgreSQL… Read the review →	AlloyDB for PostgreSQL is a fully managed relational database service for organizations running demanding transactional, analytical, and AI-enabled applications on Google Cloud. It maintains PostgreSQL compatibility while separating… Read the review →

Strengths and trade-offs

• Azure Database for PostgreSQL — where it wins

  • Zone-redundant HA with automatic failover to a standby replica
  • Cross-region and cascading read replicas for distributed workloads
  • Private Link, PgBouncer pooling, and Azure AI integration

  Where it doesn't

  • No perpetual free plan
  • Pricing varies by region, currency, agreement, and usage
  • Best fit depends on adopting the Azure ecosystem

• AlloyDB for PostgreSQL — where it wins

  • High availability, automatic failover, backups, and read replicas
  • Columnar engine, index advisor, and adaptive query optimization
  • Vector search and AI integration with Google Cloud services

  Where it doesn't

  • No free plan; pricing is usage-based rather than fixed
  • Costs also include memory, storage, backups, and networking
  • Designed for Google Cloud rather than self-managed deployments

• Azure Database for PostgreSQL9.1/10 · Paid

  A strong Azure-centered PostgreSQL service with paid, usage-dependent pricing.

  Visit MicrosoftFull verdict →
• AlloyDB for PostgreSQL8.9/10 · From $0.07 · 30-day trial

  A managed PostgreSQL service for demanding transactional, analytical, and AI workloads.

  Visit Google CloudFull verdict →