Comparison

MariaDB vs Supabase

On the evidence we track, Supabase leads this comparison with a composite score of 75/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

MariaDB full profile →Supabase full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

MariaDB50

★Supabase75

Attribute comparison across 2 tools
Attribute	MariaDB	SupabaseLeader
vioscaleAI score	50 / 100low · 42%	75 / 100medium · 70%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	freemium
Price levelpricing.price_level	free	mid
Starting pricepricing.starting_price	-	$25
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	17	12
Security
Certificationssecurity.certifications	-	SOC 2, ISO 27001
Disclosure policysecurity.disclosure_policy	✓	✓
Gdprsecurity.gdpr	✓	✓
Hipaasecurity.hipaa	-	✓
Iso27001security.iso27001	-	✓
Pcisecurity.pci	-	✓
Scorecardsecurity.scorecard	4.7	-
Soc2security.soc2	-	✓
Trust centersecurity.trust_center	-	https://supabase.com/blog/security-performance-advisor
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=openinfradev%2Fmariadb&per_page=100 · Last 12m: 0	-
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	0	-
Github starsadoption.github_stars	8,358	-
Activity
Commits last 30dactivity.commits_last_30d	100	-
Release
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	GPL-2.0	-
Language
Primarylanguage.primary	C++	-
Market
Availabilitymarket.availability	Available worldwide	Available worldwide · Popular in US
Content
Faqcontent.faq	7 items	7 items

Score

vioscaleAI score

MariaDB50 / 100low · 42%

Supabase75 / 100medium · 70%

Pricing

Free tier

MariaDB✓

Supabase✓

Model

MariaDBopen_source

Supabasefreemium

Price level

MariaDBfree

Supabasemid

Starting price

MariaDB–

Supabase$25

Transparent

MariaDB✓

Supabase✓

Integrations

Count

MariaDB17

Supabase12

Security

Certifications

MariaDB–

SupabaseSOC 2, ISO 27001

Disclosure policy

MariaDB✓

Supabase✓

Gdpr

MariaDB✓

Supabase✓

Hipaa

MariaDB–

Supabase✓

Iso27001

MariaDB–

Supabase✓

Pci

MariaDB–

Supabase✓

Scorecard

MariaDB4.7

Supabase–

Soc2

MariaDB–

Supabase✓

Trust center

MariaDB–

Supabasehttps://supabase.com/blog/security-performance-advisor

Vulnerabilities

MariaDBCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=openinfradev%2Fmariadb&per_page=100 · Last 12m: 0

Supabase–

Reliability

Status page

MariaDB–

Supabase✓

Adoption

Dependent repos

MariaDB0

Supabase–

Github stars

MariaDB8,358

Supabase–

Activity

Commits last 30d

MariaDB100

Supabase–

Release

History

MariaDB20 items

Supabase–

License

Spdx

MariaDBGPL-2.0

Supabase–

Language

Primary

MariaDBC++

Supabase–

Market

Availability

MariaDBAvailable worldwide

SupabaseAvailable worldwide · Popular in US

Content

Faq

MariaDB7 items

Supabase7 items

Capabilities

Feature-by-feature on the axes that matter for relational databases. “-” means undocumented, not absent.

Capability comparison for Relational Databases
Capability	MariaDB	Supabase
Core
SQL model	Full SQL	Full SQL
Transactions
ACID transactions	Full	Full
Highest isolation level	-	Serializable
Consistency
Consistency	Tunable	Strong
Scale
Horizontal scale	Natively distributed	-
Replication
Replication	Sync	Async
Availability
Automatic failover / HA	✓	-
Deployment
Deployment	-	Managed
Serverless / scale-to-zero	-	-
Compatibility
Wire compatibility	MySQL protocol	Postgres protocol
Extensibility
Extensions / plugins / UDFs	✓	✓
Licensing
Licence class	Copyleft	Permissive OSS
Data types
JSON / document support	✓	✓
Geo / spatial	Native	-

Core

SQL model

MariaDBFull SQL

SupabaseFull SQL

Transactions

ACID transactions

MariaDBFull

SupabaseFull

Highest isolation level

MariaDB-

SupabaseSerializable

Consistency

MariaDBTunable

SupabaseStrong

Scale

Horizontal scale

MariaDBNatively distributed

Supabase-

Replication

MariaDBSync

SupabaseAsync

Availability

Automatic failover / HA

MariaDB✓

Supabase-

Deployment

MariaDB-

SupabaseManaged

Serverless / scale-to-zero

MariaDB-

Supabase-

Compatibility

Wire compatibility

MariaDBMySQL protocol

SupabasePostgres protocol

Extensibility

Extensions / plugins / UDFs

MariaDB✓

Supabase✓

Licensing

Licence class

MariaDBCopyleft

SupabasePermissive OSS

Data types

JSON / document support

MariaDB✓

Supabase✓

Geo / spatial

MariaDBNative

Supabase-

What each one is

The product in its own terms, so the numbers below have context.

MariaDB

A widely deployed open source database that evolved from MySQL while maintaining compatibility, offering advanced SQL capabilities, native vector search, pluggable storage engines, and multi-primary clustering for production workloads.

Independently observed

Supabase

Leader

Supabase is a PostgreSQL-based platform offering hosted databases with automatically generated REST and GraphQL APIs, real-time subscriptions via websockets, database functions, and vector search capabilities. It combines open source components to provide a managed alternative to proprietary backend platforms.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

MariaDB

Open source

as of 2026-09-10verify ↗

Supabase

Leader

from $25/moSubscriptionFree tier

Free tier available. Pro from $25/month, Team $599/month, Enterprise custom pricing. Usage-based billing for compute and overages.

FreeFree
- Unlimited API requests
- 50,000 monthly active users
- 500 MB database size
- Shared CPU, 500 MB RAM
- 5 GB egress
- +3 more
Pro$25/month for first project, additional projects $10/month
- Everything in Free Plan
- 100,000 monthly active users (overage: $0.00325/MAU)
- 8 GB database size (overage: $0.125/GB)
- 250 GB egress (overage: $0.09/GB)
- 250 GB cached egress (overage: $0.03/GB)
- +5 more
Team$599/month
- Everything in Pro Plan
- SOC2 Type II & ISO 27001 compliance
- Project-scoped and read-only access controls
- HIPAA available as paid add-on
- Single Sign-On (SAML 2.0) for Dashboard
- +3 more
EnterpriseContact sales
- Custom pricing
- Designated support manager
- Uptime SLAs
- AWS PrivateLink support
- 24×7×365 premium enterprise support
- +2 more

as of 2026-10-05verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	MariaDB	Supabase
WebPlatforms	✗	✓
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✗	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✗

Platforms

Web

MariaDB✗

Supabase✓

Windows

MariaDB✓

Supabase✗

Linux

MariaDB✓

Supabase✗

CLI

MariaDB✗

Supabase✓

Deployment

Cloud / SaaS

MariaDB✗

Supabase✓

Self-hosted

MariaDB✓

Supabase✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

MariaDB

17 total

MariaDB Connector/C
MariaDB Connector/Node.js
MariaDB Connector/ODBC
MariaDB Connector/J
MariaDB Connector/Python
MariaDB Connector/R2DBC
MariaDB Connector/C++
MySqlConnector for ADO.NET
ADO.NET Driver for MySQL
ODBC Driver for MySQL
JDBC Driver for MySQL
Node.js Driver for MySQL
C++ Driver for MySQL
C Driver for MySQL
C API for MySQL
PyMySQL
mysql-python

Independently observed

Supabase

Leader

12 total

OpenAI
Hugging Face
Stripe
Algolia
AWS
Amazon Bedrock
Figma
LangChain
Vercel
Next.js
React
Flutter

Independently observed

Still deciding?

MariaDB or Supabase: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.