Staxly

Courier vs Supabase

Notification API with multi-channel orchestration, templates, and preferences
vs. The open source Firebase alternative with Postgres

Courier websiteSupabase website

Pricing tiers

Courier

Free
Up to 10,000 notifications/month. All channels. Community support.
Free
Business
From $99/mo. Higher volumes, advanced routing, preference center, branding removal.
$99/mo
Enterprise
Custom. SOC 2, SSO, dedicated support, volume discounts, SLA.
Custom
Courier 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 Courier vs free on Supabase.

MetricCourierSupabase
bandwidth gb5 GB/month
db storage gb0.5 GB
edge invocations500000 invocations/month
file storage gb1 GB
mau50000 users/month
notifications monthly10000 notifications/mo
realtime messages2000000 messages/month

Features

Courier · 13 features

  • ChatSlack, Microsoft Teams, Discord, Mattermost.
  • EmailSendGrid, Postmark, Mailgun, AWS SES, Resend, SMTP.
  • Inbox (In-App)React/JS drop-in in-app inbox component.
  • ListsSegment recipients for bulk notification sends.
  • Logs + AnalyticsPer-message delivery timeline + engagement.
  • Multi-channel RoutingProvider failover + preferred channel per user.
  • Notification DesignerVisual editor for templates across channels.
  • PreferencesPer-user notification preferences hub.
  • PushAPNs, FCM, Expo, OneSignal.
  • Send APIPOST /send with template + recipients + data.
  • SMSTwilio, MessageBird, Vonage, Plivo, Telnyx.
  • Templates + VersioningTemplate brands, variants, localization, version history.
  • WebhooksDelivery + engagement event webhooks.

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

KindCourierSupabase
CLICourier CLISupabase CLI
SDKcourier-go, courier-java, @trycourier/courier, trycourier (Python), @trycourier/react-inbox, trycourier (Ruby)C# SDK, Flutter SDK, JavaScript SDK, Kotlin SDK, Python SDK, Swift SDK
RESTCourier REST APIManagement API, REST API (PostgREST)
GRAPHQLGraphQL (pg_graphql)
MCPSupabase MCP Server
OTHERCourier Studio, Outbound WebhooksRealtime (WebSocket)
Staxly is an independent catalog of developer platforms. Some links to Courier and Supabase may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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