Azure Database for PostgreSQL vs Supabase
Azure Database for PostgreSQL is cheaper across every workload modelled here.
List prices checked
Rate cards side by side
Only the axes at least one of them bills on. A dash means that provider does not charge for it.
| Billing axis | Azure Database for PostgreSQL | Supabase | Difference |
|---|---|---|---|
| Entry plan | $12.41/mo | $25.00/mo | 2× Azure Database for PostgreSQL |
| Storage | $0.115/GB-mo | $0.125/GB-mo | 1.1× Azure Database for PostgreSQL |
| Data transfer out | — | $0.090/GB | — |
| Free tier | Yes | Yes | — |
Source: Microsoft pricing (May 2026) · Supabase pricing (May 2026). Published list prices only — committed-use discounts, regional variation, and per-request charges are not included. Not yet independently re-checked against the vendor’s page.
Monthly cost for three real workloads
The rate cards applied to identical usage. This is where the winner changes.
| Workload | Azure Database for PostgreSQL | Supabase | Cheaper |
|---|---|---|---|
| Side projectA personal site or small app with modest traffic, a few gigabytes of assets, and one small always-on process. | $15 | $28 | Azure Database for PostgreSQLsaves $13/mo (47%) |
| Growing SaaSA funded product serving a few thousand daily users, with an image-heavy frontend and two application servers. | $70 | $88 | Azure Database for PostgreSQLsaves $18/mo (20%) |
| Media-heavy siteA publisher or video product where delivery dominates the bill and compute is almost an afterthought. | $242 | $275 | Azure Database for PostgreSQLsaves $33/mo (12%) |
Workload definitions are identical on every comparison page, so figures here can be read against any other pair in the same category.
What each one is for
Azure Database for PostgreSQL
by Microsoft
Microsoft's managed Postgres in flexible-server and burstable configurations, priced close to RDS and integrated with Entra ID for authentication.
Free tier: 750 hours per month of a burstable instance for 12 months
Supabase
by Supabase
Postgres bundled with auth, object storage, and realtime subscriptions at one per-project price, which replaces several separate services for early-stage products.
Free tier: 500 MB database and 5 GB of egress per month
Common questions
- Is Azure Database for PostgreSQL or Supabase cheaper in 2026?
- Azure Database for PostgreSQL is cheaper in all 3 modelled workloads.
- Which has the better free tier, Azure Database for PostgreSQL or Supabase?
- Both publish one. Azure Database for PostgreSQL: 750 hours per month of a burstable instance for 12 months. Supabase: 500 MB database and 5 GB of egress per month.
- What do these estimates not include?
- Committed-use and reserved discounts, regional price variation, per-request API charges, support plans, and minimum retention periods. All of those move real invoices, sometimes by a lot. These figures compare published list prices for the same workload, which is the comparison the rate cards alone cannot give you.