Database

Convex vs GCP Cloud SQL (PostgreSQL): Which is Better in 2026?

Choosing between Convex and GCP Cloud SQL (PostgreSQL)? Both are popular database tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.

Quick verdict

Convex is the safer pick if budget matters — it has a free tier, while GCP Cloud SQL (PostgreSQL) does not. Choose GCP Cloud SQL (PostgreSQL) when its specific features justify the cost.

Convex vs GCP Cloud SQL (PostgreSQL) — Side by Side

ConvexGCP Cloud SQL (PostgreSQL)
CategoryDatabaseDatabase
PricingFree · paid from $25/moUsage-based
Starting priceFree tier availablePay-as-you-go
Free tier—
Rating4.74.7
Best forDatabase — backend, baasDatabase — postgresql, relational

Pros & Cons

Convex
Convex
  • Excellent real-time data model
  • Very fast developer iteration
  • TypeScript-first backend
  • Built-in cron, auth, and storage
  • AI-assisted app generation
  • Pricing is per-developer at scale
  • Less control than self-managed databases
  • Ecosystem smaller than traditional databases
GCP Cloud SQL (PostgreSQL)
GCP Cloud SQL (PostgreSQL)
  • Native GCP ecosystem integration
  • Strong Kubernetes support
  • Competitive pricing
  • IAM-based access control
  • Best within GCP ecosystem
  • Fewer instance types than AWS RDS
  • Smaller community than AWS

Key Features Compared

Convex

  • 1–6 developers
  • 40 deployments
  • Chef AI app generation
  • Real-time database with indexes
  • Text search and vector search
  • File storage

GCP Cloud SQL (PostgreSQL)

  • Fully managed PostgreSQL 16
  • High availability with automatic failover
  • Automated backups & point-in-time recovery
  • Read replicas
  • Private IP (VPC peering)
  • Encryption at rest & in transit

Choose Convex if…

  • You want to start free — Convex has a free tier and GCP Cloud SQL (PostgreSQL) does not.
  • Excellent real-time data model
  • Very fast developer iteration
  • TypeScript-first backend
Convex review & pricing

Choose GCP Cloud SQL (PostgreSQL) if…

  • Native GCP ecosystem integration
  • Strong Kubernetes support
  • Competitive pricing
GCP Cloud SQL (PostgreSQL) review & pricing

Frequently Asked Questions

Is Convex better than GCP Cloud SQL (PostgreSQL)?⌄

Convex is the safer pick if budget matters — it has a free tier, while GCP Cloud SQL (PostgreSQL) does not. Choose GCP Cloud SQL (PostgreSQL) when its specific features justify the cost.

What is the difference between Convex and GCP Cloud SQL (PostgreSQL)?⌄

Convex — Reactive backend-as-a-service with a built-in database, real-time queries, serverless functions, and AI-powered app generation. GCP Cloud SQL (PostgreSQL) — Google's fully managed PostgreSQL with high availability, automatic failover, and seamless GKE integration. Both are database tools; the comparison table above breaks down pricing, free tiers, and what each is best for.

Convex vs GCP Cloud SQL (PostgreSQL): which is cheaper?⌄

Convex pricing: Free · paid from $25/mo. GCP Cloud SQL (PostgreSQL) pricing: Usage-based. Confirm current pricing on each tool's official site, as plans change.

Which is rated higher, Convex or GCP Cloud SQL (PostgreSQL)?⌄

In our catalog, Convex rates 4.7 out of 5 and GCP Cloud SQL (PostgreSQL) rates 4.7 out of 5 — they are evenly matched.

See more options in our guide to the best database tools for startups.

Still not sure which to pick?

Get a free, AI-powered tech stack — including the best database pick for your budget and team — in 60 seconds.

Build my stack free