Staxly

Contentful vs Supabase

Enterprise headless CMS — Compose + Studio + Personalization
vs. The open source Firebase alternative with Postgres

Contentful websiteSupabase website

Pricing tiers

Contentful

Free
10 users, 2 roles, 2 locales, 100K API calls/mo, 50 GB CDN, 10K records, 25 content types.
Free
Lite
$300/mo. 20 users, 3 roles, 3 locales, 1M API calls/mo, 100 GB CDN.
$300/mo
Premium
Custom. Unlimited API calls, unlimited spaces, 24/7 support, 99.99% SLA.
Custom
Personalization Add-on
Start/Core/Scale (100K/500K/1M MAUs). Custom pricing.
Custom
Contentful website

Supabase

Free
Perfect for experiments. Projects pause after 7 days inactivity.
Free
Pro
Production-ready. Usage-based overages apply.
$25/mo
Team
For teams; includes SOC2 attestation and priority support.
$599/mo
Enterprise
Custom quotas, HIPAA compliance, dedicated support.
Custom
Supabase website

Free-tier quotas head-to-head

Comparing free on Contentful vs free on Supabase.

MetricContentfulSupabase
bandwidth gb5 GB/month
db storage gb0.5 GB
edge invocations500000 invocations/month
file storage gb1 GB
mau50000 users/month
realtime messages2000000 messages/month

Features

Contentful · 17 features

  • AI ActionsAI content generation/translation/editing in workflow.
  • App FrameworkBuild custom apps + extensions for the web UI.
  • ComposeVisual page-building UI for editors.
  • Content Delivery APIRead-only, cached, fast (CDN-backed) for published content.
  • Contentful StudioAI-assisted multi-channel composition.
  • Content Management APIFull read/write for admin + authoring tools.
  • Content ModelingRich content types with fields, references, validations.
  • EnvironmentsBranchable content workspaces (staging, preview, etc.).
  • GraphQL Content APIFlexible queries with pagination, filtering, nested references.
  • Images APIOn-the-fly image manipulation (crop, resize, format).
  • LocalizationMulti-locale content with inheritance.
  • Marketplace Apps300+ apps: Cloudinary, Shopify, BigCommerce, Optimizely, etc.
  • PersonalizationContent variants by audience. Acquired Ninetailed 2024.
  • Scheduled PublishingQueue entries for future publish.
  • Tasks + CommentsEditorial collaboration.
  • WebhooksHTTP + transformation on publish/unpublish/archive.
  • WorkflowsEditorial approval + publication workflows.

Supabase · 24 features

  • AuthenticationComplete JWT-based auth: passwords, magic links, OTP, OAuth, SSO, phone, MFA.
  • Backups & PITRAutomatic daily backups + Point-in-Time Recovery (WAL-G). 14-day default PITR wi
  • Compute InstancesUpgradeable DB compute: Micro, Small, Medium, Large. Affects CPU, RAM, and conne
  • Connection PoolingSupavisor pooler: Session mode (persistent) and Transaction mode (serverless). D
  • Cron JobsScheduled recurring jobs via pg_cron. Trigger DB functions, edge functions, or H
  • Custom DomainsConfigure custom hostname for API endpoints with SSL certificate management.
  • Database WebhooksAsync HTTP callbacks on INSERT/UPDATE/DELETE via pg_net extension.
  • Edge FunctionsTypeScript (Deno runtime) functions deployed globally at the edge. Supports secr
  • Full-Text SearchPostgreSQL native FTS: to_tsvector, to_tsquery, GIN indexes, fuzzy matching, wei
  • Image TransformationsOn-the-fly resize, crop, quality (20-100), WebP auto-format. Smart CDN caching.
  • Log DrainsRoute all stack logs to HTTP, Datadog, Loki, Sentry, S3, OTLP, or Axiom. Up to 2
  • Metrics API~200 Prometheus-compatible Postgres metrics. OpenTelemetry export to Datadog, Gr
  • Network RestrictionsCIDR allowlist for database access. Multiple IP ranges supported. Pro+ plan.
  • OAuth 2.1 ServerUse Supabase Auth as OAuth provider. Custom Access Token Hooks for claim injecti
  • pgvectorStore and search vector embeddings in Postgres. Supports HNSW/Flat indexes, cosi
  • PostgreSQL DatabaseFull PostgreSQL per project: SQL editor, table editor, CSV import, 50+ extension
  • PostgreSQL Extensions50+ pre-installed extensions: uuid-ossp, pgvector, pg_cron, plv8, pgtap, pg_net,
  • Preview BranchesEphemeral or persistent DB branches for isolated testing. Git integration, auto-
  • QueuesExactly-once message queues built on pgmq. Stored in Postgres with configurable
  • Read ReplicasAsync read-only replicas in multiple regions. Geo-routing, replication lag monit
  • RealtimeWebSocket subscriptions for DB changes (INSERT/UPDATE/DELETE), broadcast, and pr
  • Row Level SecuritySQL-native access control; policies auto-filter rows based on auth.uid() / auth.
  • SSL EnforcementRequire TLS for all DB connections. Configurable: required, preferred, disabled.
  • StorageFiles, Analytics (Iceberg), and Vector buckets with global CDN (285+ cities) and

Developer interfaces

KindContentfulSupabase
CLIcontentful-cliSupabase CLI
SDKcontentful (JS client), contentful-management (Node)C# SDK, Flutter SDK, JavaScript SDK, Kotlin SDK, Python SDK, Swift SDK
RESTContent Delivery API, Content Management API, Content Preview API, Images APIManagement API, REST API (PostgREST)
GRAPHQLGraphQL Content APIGraphQL (pg_graphql)
MCPSupabase MCP Server
OTHERWebhooksRealtime (WebSocket)
Staxly is an independent catalog of developer platforms. Outbound links to Contentful and Supabase are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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