Firebase vs Supabase: pricing, quotas & features (2025)

Google's mobile & web app development platform
vs. The open source Firebase alternative with Postgres

Data sourced from vendor documentation · Last updated May 2026

Summary

Firebase and Supabase are both baas platforms, addressing the same core use case with different implementation philosophies and trade-offs. Both offer a free tier, making it easy to prototype without a credit card. Supabase offers paid plans from $25/month; Firebase does not publish standard pricing. Supabase has a broader documented feature set (24 vs 20 features). The right choice depends on your existing stack, team experience, and feature requirements. All pricing and quota data below is sourced from Firebase and Supabase's official documentation — not generated by AI or estimated.

Firebase vs Supabase: Comparativa de precios, cuotas y características (2025)

En esta comparativa analizamos Firebase y Supabase lado a lado — incluyendo precios mensuales, límites del tier gratuito, características técnicas, cuotas de uso (almacenamiento, transferencia, usuarios activos mensuales) y los interfaces de desarrollo disponibles. Todos los datos proceden de la documentación oficial de cada proveedor, no de respuestas generadas por IA.

Firebase es una plataforma de la categoría baas — Google's mobile & web app development platform. Ofrece 2 tiers de precio: Spark (No-cost) gratuito, Blaze (Pay as you go) (personalizado). Su catálogo en Staxly documenta 20 características y 18 interfazes para desarrolladores.

Supabase pertenece a la categoría baas — The open source Firebase alternative with Postgres. Ofrece 4 tiers de precio: Free gratuito, Pro desde $25/mes, Team desde $599/mes, Enterprise (personalizado). Su catálogo documenta 24 características y 12 interfazes para desarrolladores.

A continuación encontrarás los tiers de precio completos de ambas plataformas, una matriz de cuotas del tier gratuito (transferencia, almacenamiento, MAU, llamadas a la API y otros límites), el listado completo de características y los interfaces (CLI, SDKs, REST, GraphQL, MCP) disponibles para integrar cada servicio.

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Pricing tiers

Firebase

Spark (No-cost)

Free tier with generous quotas. No credit card required. Cannot exceed free quotas.

Free

Blaze (Pay as you go)

Usage-based billing. Includes Spark quotas free, then pay Google Cloud rates. Required for Cloud Functions outbound networking, scheduled jobs, some extensions.

Custom

Firebase 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 spark on Firebase vs free on Supabase.

Metric	Firebase	Supabase
auth mau	50000 users/month	—
bandwidth gb	—	5 GB/month
db storage gb	—	0.5 GB
edge invocations	—	500000 invocations/month
file storage gb	—	1 GB
firestore deletes per day	20000 docs/day	—
firestore egress gib month	10 GiB/month	—
firestore reads per day	50000 docs/day	—
firestore storage gib	1 GiB	—
firestore writes per day	20000 docs/day	—
functions cpu seconds	200000 CPU-sec/month	—
functions gb seconds	400000 GB-sec/month	—
functions invocations	2000000 invocations/mo	—
functions outbound gb	5 GB/month	—
hosting storage gb	10 GB	—
hosting transfer gb month	10.8 GB/month	—
mau	—	50000 users/month
phone sms verifications day	10 sms/day	—
realtime messages	—	2000000 messages/month
rtdb connections	100 connections	—
rtdb downloaded gb month	10 GB/month	—
rtdb stored gb	1 GB	—
storage downloaded gb day	1 GB/day	—
storage gb	5 GB	—
storage operations day	50000 ops/day	—

Features

Firebase · 20 features

A/B Testing — Experiments on Remote Config params, FCM notifications, and Analytics events. Ba…
App Check — Attestation service: only requests from authentic, untampered app instances reac…
App Hosting — Managed hosting for modern web apps (Next.js, Angular, SvelteKit). Git-based dep…
Cloud Firestore — Serverless NoSQL document database. Real-time sync, ACID transactions, offline p…
Cloud Functions — Serverless functions (Node.js/Python). Trigger on HTTP, Firestore, RTDB, Auth, S…
Cloud Storage — Object storage for user files. Built on GCS. Security rules + signed URLs. Resum…
Crashlytics — Real-time crash reporting for iOS/Android/Unity/Flutter. Stack traces, breadcrum…
Data Connect — GraphQL API backed by Cloud SQL for PostgreSQL. Type-safe SDK generation. Previe…
Dynamic Links — Deep links that survive app install. NOTE: deprecated, shutdown Aug 2025 — migra…
FCM Topics — Publish/subscribe messaging: devices subscribe to topic names; backend sends one…
Firebase AI Logic — Client-side SDK to call Gemini models directly from mobile/web. Formerly "Vertex…
Firebase Authentication — Drop-in auth: email/password, phone, anonymous, 10+ federated providers, custom …
Firebase Cloud Messaging — Push notifications for iOS, Android, Web (APNs/FCM transports). Topics, device g…
Firebase Extensions — Pre-packaged Cloud Functions + config: Stripe, Algolia search, image resize, tra…
Firebase Hosting — Static + dynamic hosting with global CDN. Preview channels, atomic deploys, rewr…
Genkit — Open-source AI app framework. Unified API for Gemini, OpenAI, Ollama; tools, RAG…
Google Analytics for Firebase — Free unlimited event tracking with audience building. BigQuery export on Blaze. …
Performance Monitoring — App startup, HTTP network, and custom traces. Integrates with Google Analytics e…
Realtime Database — Low-latency JSON tree database with WebSocket sync. Best for high-frequency pres…
Remote Config — Feature flags / parameterized config with conditional targeting (user property, …

Supabase · 24 features

Authentication — Complete JWT-based auth: passwords, magic links, OTP, OAuth, SSO, phone, MFA.
Backups & PITR — Automatic daily backups + Point-in-Time Recovery (WAL-G). 14-day default PITR wi…
Compute Instances — Upgradeable DB compute: Micro, Small, Medium, Large. Affects CPU, RAM, and conne…
Connection Pooling — Supavisor pooler: Session mode (persistent) and Transaction mode (serverless). D…
Cron Jobs — Scheduled recurring jobs via pg_cron. Trigger DB functions, edge functions, or H…
Custom Domains — Configure custom hostname for API endpoints with SSL certificate management.
Database Webhooks — Async HTTP callbacks on INSERT/UPDATE/DELETE via pg_net extension.
Edge Functions — TypeScript (Deno runtime) functions deployed globally at the edge. Supports secr…
Full-Text Search — PostgreSQL native FTS: to_tsvector, to_tsquery, GIN indexes, fuzzy matching, wei…
Image Transformations — On-the-fly resize, crop, quality (20-100), WebP auto-format. Smart CDN caching. …
Log Drains — Route 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 Restrictions — CIDR allowlist for database access. Multiple IP ranges supported. Pro+ plan.
OAuth 2.1 Server — Use Supabase Auth as OAuth provider. Custom Access Token Hooks for claim injecti…
PostgreSQL Database — Full PostgreSQL per project: SQL editor, table editor, CSV import, 50+ extension…
PostgreSQL Extensions — 50+ pre-installed extensions: uuid-ossp, pgvector, pg_cron, plv8, pgtap, pg_net,…
Preview Branches — Ephemeral or persistent DB branches for isolated testing. Git integration, auto-…
Queues — Exactly-once message queues built on pgmq. Stored in Postgres with configurable …
Read Replicas — Async read-only replicas in multiple regions. Geo-routing, replication lag monit…
Realtime — WebSocket subscriptions for DB changes (INSERT/UPDATE/DELETE), broadcast, and pr…
Row Level Security — SQL-native access control; policies auto-filter rows based on auth.uid() / auth.…
SSL Enforcement — Require TLS for all DB connections. Configurable: required, preferred, disabled.
Storage — Files, Analytics (Iceberg), and Vector buckets with global CDN (285+ cities) and…
pgvector — Store and search vector embeddings in Postgres. Supports HNSW/Flat indexes, cosi…

Developer interfaces

Kind	Firebase	Supabase
CLI	Firebase CLI	Supabase CLI
SDK	Admin SDK (Go), Admin SDK (Java), Admin SDK (Node.js), Admin SDK (Python), Android SDK, Apple Platforms SDK, Flutter SDK (FlutterFire), JavaScript SDK, Unity SDK	C# SDK, Flutter SDK, JavaScript SDK, Kotlin SDK, Python SDK, Swift SDK
REST	Auth REST API, Cloud Storage REST, Firebase Management API, Firestore REST API, Realtime Database REST	Management API, REST API (PostgREST)
GRAPHQL	—	GraphQL (pg_graphql)
MCP	Firebase MCP Server	Supabase MCP Server
OTHER	Firestore gRPC, Realtime Database WebSocket	Realtime (WebSocket)

Key takeaways

Both Firebase and Supabase offer a free tier — Firebase ("Spark (No-cost)") and Supabase ("Free") — with no credit card required to start.
Supabase's entry paid tier (Pro) costs $25/month; Firebase does not list public pricing.
Supabase has a broader documented feature set (24 features) vs. Firebase (20 features) in Staxly's catalog.
Developer integrations differ: only Supabase offers GRAPHQL.

Staxly is an independent catalog of developer platforms. Some links to Firebase 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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