Firebase vs Appwrite
Google's mobile & web app development platform
vs. Open-source BaaS for building full-stack apps
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
Appwrite
Self-Hosted
Run Appwrite on your own infrastructure. MIT licensed — no usage limits.
$0 base (usage-based)
Cloud Free
Managed cloud. Hard caps: 1 team member, 1 database per project.
Free
Cloud Pro
From $15/member/month. 2 TB bandwidth, 150 GB storage, 200k MAU, 3.5M executions, unlimited databases + team members.
$15/mo
Cloud Scale
$599/month flat for the org. Higher included usage + advanced security. Deprecated in some regions — check.
$599/mo
Enterprise
Custom pricing. SOC 2, HIPAA (on request), dedicated infra, SLAs.
Custom
Free-tier quotas head-to-head
Comparing spark on Firebase vs free on Appwrite.
| Metric | Firebase | Appwrite |
|---|---|---|
| auth mau | 50000 users/month | — |
| bandwidth gb month | — | 5 GB/month |
| databases per project | — | 1 databases |
| 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 | — |
| function duration s | — | 30 seconds |
| function executions | — | 750000 exec/month |
| 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 | — | 75000 users/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 | 2 GB |
| storage operations day | 50000 ops/day | — |
| team members | — | 1 members |
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, …
Appwrite · 13 features
- Account (Auth) — User authentication: email/password, magic URLs, phone OTP, anonymous, 30+ OAuth…
- Avatars — Generated avatars, country flags, credit-card icons, QR codes, favicons.
- Databases — NoSQL collections with attribute types, indexes, permissions per document/collec…
- Events System — Unified event bus: subscribe in Functions, Webhooks, Realtime using event string…
- Functions — Serverless functions in 13+ runtimes (Node, Python, Go, Ruby, PHP, Dart, Deno, S…
- Messaging — Multi-channel messaging: Push (FCM/APNs), SMS (Twilio/Vonage/Msg91), Email (Mail…
- Migrations — Import from Firebase, Supabase, NHost, or another Appwrite project.
- Permissions (ACLs) — Per-document / per-collection ACLs: Role.user(), Role.team(), Role.any(), Role.g…
- Realtime — WebSocket subscriptions to events: database changes, auth, storage, function exe…
- Sites — Deploy static and SSR frameworks (Next, Nuxt, SvelteKit, Astro, Remix) direct fr…
- Storage — File buckets with access control, auto-transforms (image preview), antivirus, en…
- Teams — Group users with shared access + roles. Used for row-level permissions on resour…
- Webhooks — HTTP callbacks on any Appwrite event. Signed with x-appwrite-webhook-signature.
Developer interfaces
| Kind | Firebase | Appwrite |
|---|---|---|
| CLI | Firebase CLI | Appwrite 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 | Android SDK (Kotlin), Apple SDK (Swift), Dart Server SDK, Deno SDK, Flutter SDK, Kotlin Server SDK, .NET Server SDK, Node.js Server SDK, PHP Server SDK, Python Server SDK, React Native SDK, Ruby Server SDK, Swift Server SDK, Web SDK (browser) |
| REST | Auth REST API, Cloud Storage REST, Firebase Management API, Firestore REST API, Realtime Database REST | REST API |
| GRAPHQL | — | GraphQL API |
| MCP | Firebase MCP Server | Appwrite MCP Server |
| OTHER | Firestore gRPC, Realtime Database WebSocket | Realtime WebSocket |
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