Firebase 
Supabase Firebase vs Supabase
A side-by-side Mobile SDK comparison of Firebase and Supabase — capability coverage, pricing, and stack fit, with 29 of 30 recorded cells citing the vendors' own documentation. No referral fees; the data is ours.
Catalog verdict
Overlapping — These overlap, and plenty of teams deliberately run both.
Supabase can replace Firebase's database, auth, storage and functions, not its analytics, messaging or crash reporting.
Drafted by an AI model and accepted into the catalog; overlap verdicts are not all checked by hand.
Switching is a project, not a swap. A judgement, not computed from the capability data.
Capability comparison
20on one record only
5on both
| Capability | Firebase | Supabase | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| On one record only 20 | |||||||||||
| A/B & Multivariate Testing | Core A/B & Multivariate TestingCore Firebase A/B Testing is a named Firebase product for controlled experiments. firebase.google.com/docs/ab-testing ↗ 15 Sept 2026 · AI-evaluated | — | |||||||||
| Cloud Data Warehouse | — | Core Cloud Data WarehouseCore Recorded without a note. No source recorded 16 Mar 2026 · Verified by hand | |||||||||
| In-app Messaging | Core In-app MessagingCore Firebase In-App Messaging is a named Firebase product. firebase.google.com/docs/in-app-messaging ↗ 15 Sept 2026 · AI-evaluated | — | |||||||||
| Mobile SDK | Core Mobile SDKCore Firebase provides official Apple platforms, Android, Flutter, Unity, and C++ client SDKs. firebase.google.com/docs/libraries ↗ 15 Sept 2026 · Verified by hand | — | |||||||||
| Product Analytics | Core Product AnalyticsCore Google Analytics for Firebase measures app usage, engagement, events, and audiences. firebase.google.com/docs/analytics ↗ 15 Sept 2026 · AI-evaluated | — | |||||||||
| Push Notifications | Core Push NotificationsCore Firebase Cloud Messaging provides mobile and web message delivery. firebase.google.com/docs/cloud-messaging/get-started ↗ 15 Sept 2026 · AI-evaluated | — | |||||||||
| Schema Management / Data Contracts | — | Core Schema Management / Data ContractsCore Database Migrations version SQL schema changes and track applied migrations. supabase.com/docs/guides/deployment/database-… ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| AI Decisioning / Next-Best-Action | Supported AI Decisioning / Next-Best-ActionSupported Remote Config personalization uses machine learning to select an optimal experience for each user. firebase.google.com/docs/remote-config/personalizati… ↗ 15 Sept 2026 · AI-evaluated | Not offered AI Decisioning / Next-Best-ActionNot offered Checked the documentation index for model-driven next-best-action or offer selection. supabase.com/docs ↗ Checked · 3 of 3 passes | |||||||||
| Business Intelligence / Reporting | — | Supported Business Intelligence / ReportingSupported Supabase Reports provide monitoring dashboards for database, Auth, Storage, Realtime, and API systems. supabase.com/docs/guides/observability/reports ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| Change Data Capture | — | Supported Change Data CaptureSupported Supabase Pipelines uses change data capture to stream Postgres changes to destinations. supabase.com/docs/guides/database/replication ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| Data Access Control | — | Supported Data Access ControlSupported Postgres Row Level Security combines grants, roles, and policies for granular data access control. supabase.com/docs/guides/database/postgres/ro… ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| Data Lake / Lakehouse | — | Supported Data Lake / LakehouseSupported Analytics Buckets use Apache Iceberg for large analytical datasets and historical data. supabase.com/docs/guides/storage/analytics/in… ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| Data Replication | — | Supported Data ReplicationSupported Supabase documents read replicas, managed Pipelines, and manual logical replication. supabase.com/docs/guides/database/replication ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| Data Retention / Deletion | — | Supported Data Retention / DeletionSupported User Management supports viewing, exporting, and deleting authentication user data. supabase.com/docs/guides/auth/managing-user-d… ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| ETL / ELT | — | Supported ETL / ELTSupported Pipelines performs an initial sync, streams changes, and loads data into external destinations using the Supabase ETL engine. supabase.com/docs/guides/database/replication… ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| Event Stream Ingestion | Supported Event Stream IngestionSupported Google Analytics for Firebase collects automatically logged and custom Analytics events. firebase.google.com/docs/analytics/web/events ↗ 15 Sept 2026 · Verified by hand | — | |||||||||
| Event Streaming Infrastructure | — | Supported Event Streaming InfrastructureSupported Supabase Realtime provides broadcast messaging, presence, and streaming Postgres changes to connected clients. supabase.com/docs/guides/realtime ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| Feature Flagging | Supported Feature FlaggingSupported Remote Config provides feature flags, staged rollouts, targeting, and rollback. firebase.google.com/docs/remote-config/rollouts ↗ 15 Sept 2026 · AI-evaluated | Not offered Feature FlaggingNot offered Documentation checked for native release feature flags, targeting, percentage rollouts, and kill switches. supabase.com/docs ↗ Checked · 2 of 3 passes | |||||||||
| Real-time Analytics | — | Supported Real-time AnalyticsSupported The Metrics API streams database health and performance series to Prometheus-compatible analytics systems. supabase.com/docs/guides/observability/metrics ↗ 15 Sept 2026 · AI-evaluated | |||||||||
| Web SDK | Supported Web SDKSupported Firebase provides a JavaScript SDK for browser-based apps. firebase.google.com/docs/web/setup ↗ 15 Sept 2026 · AI-evaluated | — | |||||||||
| On both records 5 | |||||||||||
Data storage 2 · all core on every row
| |||||||||||
AI & agents 3 · supported on all
| |||||||||||
Not offered means the evidence sweep read the vendor's documentation and did not find it — hover to see the page it checked. — means no verdict either way. Hover a recorded cell to read its evidence and source; a cell with no source says so, and each cell says whether an AI pass or a person set the grade.
Sources · 29 pages on the vendors' own sites
Firebase · 14
A/B & Multivariate Testing — firebase.google.com/docs/ab-testingAgent Interface (MCP / Tool API) — firebase.google.com/docs/ai-assistance/mcp-serverAI Assistant / Copilot — firebase.google.com/docs/ai-assistance/gemini-in-fir…AI Decisioning / Next-Best-Action — firebase.google.com/docs/remote-config/personalizati…Conversational AI / Virtual Agents — firebase.google.com/docs/ai-logicEvent Stream Ingestion — firebase.google.com/docs/analytics/web/eventsFeature Flagging — firebase.google.com/docs/remote-config/rolloutsIn-app Messaging — firebase.google.com/docs/in-app-messagingMobile SDK — firebase.google.com/docs/librariesObject / Cloud Storage — firebase.google.com/docs/storage/web/startOperational Database — firebase.google.com/docs/firestore/index.htmlProduct Analytics — firebase.google.com/docs/analyticsPush Notifications — firebase.google.com/docs/cloud-messaging/get-startedWeb SDK — firebase.google.com/docs/web/setup Supabase · 15
Agent Interface (MCP / Tool API) — supabase.com/docs/guides/ai-tools/mcpAI Assistant / Copilot — supabase.com/features/ai-assistantBusiness Intelligence / Reporting — supabase.com/docs/guides/observability/reportsChange Data Capture — supabase.com/docs/guides/database/replicationConversational AI / Virtual Agents — supabase.com/docs/guides/functions/ai-modelsData Access Control — supabase.com/docs/guides/database/postgres/ro…Data Lake / Lakehouse — supabase.com/docs/guides/storage/analytics/in…Data Replication — supabase.com/docs/guides/database/replicationData Retention / Deletion — supabase.com/docs/guides/auth/managing-user-d…ETL / ELT — supabase.com/docs/guides/database/replication…Event Streaming Infrastructure — supabase.com/docs/guides/realtimeObject / Cloud Storage — supabase.com/docs/guides/storageOperational Database — supabase.com/docs/guides/database/overviewReal-time Analytics — supabase.com/docs/guides/observability/metricsSchema Management / Data Contracts — supabase.com/docs/guides/deployment/database-… What Firebase adds
On Firebase's record, not on Supabase's
- A/B & Multivariate Testing
- In-app Messaging
- Product Analytics
- Push Notifications
- Pricing
- Free tier available
What Supabase adds
On Supabase's record, not on Firebase's
- Cloud Data Warehouse
- Schema Management / Data Contracts
- Pricing
- From $25/month
Firebase vs Supabase — FAQ
What is the difference between Firebase and Supabase?
Both are Mobile SDK tools. Firebase's record includes A/B & Multivariate Testing and In-app Messaging, which Supabase's does not, while Supabase's includes Cloud Data Warehouse and Schema Management / Data Contracts. The matrix above shows 29 of 30 recorded cells citing the vendors' own documentation.
Do I need both Firebase and Supabase?
Often not — supabase can replace Firebase's database, auth, storage and functions, not its analytics, messaging or crash reporting. The parts that do not overlap: A/B & Multivariate Testing, In-app Messaging, Cloud Data Warehouse, Schema Management / Data Contracts. The matrix above shows where the records actually differ.
How do Firebase and Supabase compare on price?
Firebase: Free tier available. Supabase: From $25/month. Check each vendor's page for current rates.
Free stack audit
Before you choose Firebase or Supabase, check what your stack already covers
Teams usually find the overlap is not where they expected. Name the tools you run and the Instant Stack Audit maps which ones duplicate capability — inside Mobile SDK and across the rest of the stack.
Takes about two minutes. Your overlaps and a savings estimate are free — no sign-up. An email address unlocks the costed roadmap.
Firebase or Supabase? Decide in your stack's context.
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