Firebase vs Xata
Google's mobile & web app development platform
vs. Serverless Postgres with branching, zero-downtime schema changes + OpenAI embeddings
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
Xata
Free
$0. 15GB storage. 10 branches. Unlimited databases. Community support.
Free
Pro
$20/mo + usage. More compute, higher concurrency, priority support.
$20/mo
Enterprise
Custom. SSO, dedicated support, VPC peering, SOC 2.
Custom
Free-tier quotas head-to-head
Comparing spark on Firebase vs free on Xata.
| Metric | Firebase | Xata |
|---|---|---|
| auth mau | 50000 users/month | — |
| 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 | — |
| phone sms verifications day | 10 sms/day | — |
| 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, …
Xata · 11 features
- Ask Xata (OpenAI) — Natural language Q&A over data.
- Branching — Copy-on-write DB branches.
- DB Metrics — Query perf + connection metrics.
- Migration GUI — Visual schema change workflow.
- pgroll Migrations — Zero-downtime schema evolution via views.
- PITR Backups — Point-in-time restore.
- PR Preview Environments — Branch-per-PR with CI integration.
- Search — Built-in full-text search indexing.
- Vanilla Postgres — Unmodified Postgres 15+.
- Vector Search — pgvector-based embeddings + Q&A.
- Xata Copilot — AI SQL + schema assistant.
Developer interfaces
| Kind | Firebase | Xata |
|---|---|---|
| CLI | Firebase CLI | pgroll CLI (OSS), xata 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 | @xata.io/client (TS), xata (Python) |
| REST | Auth REST API, Cloud Storage REST, Firebase Management API, Firestore REST API, Realtime Database REST | Xata REST API |
| MCP | Firebase MCP Server | — |
| OTHER | Firestore gRPC, Realtime Database WebSocket | Direct Postgres (pgroll), Xata Dashboard |
Staxly is an independent catalog of developer platforms. Outbound links to Firebase and Xata are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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