Firebase vs Cursor
Google's mobile & web app development platform
vs. AI-native code editor — VS Code fork with deep AI integration
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
Cursor
Hobby (Free)
Free. Limited Agent requests + Tab completions. No credit card.
Free
Pro
$20/month. Extended Agent limits, frontier models, MCPs + skills + hooks, cloud agents.
$20/mo
Teams
$40/user/month. Shared chats + commands + rules, centralized billing, RBAC, SAML/OIDC SSO.
$40/mo
Pro+ (Recommended)
$60/month. Everything in Pro + 3x usage on OpenAI, Claude, Gemini.
$60/mo
Ultra
$200/month. 20x usage multiplier + priority access to new features.
$200/mo
Enterprise
Custom. Pooled usage, SCIM, AI code tracking API + audit logs, priority support.
Custom
Free-tier quotas head-to-head
Comparing spark on Firebase vs hobby on Cursor.
| Metric | Firebase | Cursor |
|---|---|---|
| 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, …
Cursor · 15 features
- Agent Mode — Autonomous multi-file editing + tool use. Runs terminal commands with confirmati…
- Background Agents — Run agents in the cloud to tackle longer tasks async.
- BugBot (PR reviews) — AI reviewer on GitHub PRs.
- Chat (⌘L) — Conversational chat with codebase context.
- Cmd-K Inline Edit — Highlight code + ⌘K → natural language edit instruction.
- Codebase Indexing — Embedding-based semantic search over your codebase.
- Composer — Multi-file edit sessions with full context.
- .cursorrules / Project Rules — Custom system prompts per project to steer the AI.
- MCP Support — Add Model Context Protocol servers to extend agent capabilities.
- Privacy Mode — Data never used for training; zero-retention routing.
- Skills & Hooks — User-defined skills library + lifecycle hooks.
- Tab (multi-line completion) — Predictive completions including next-edit suggestions.
- Team Shared Context — Share chats, commands, rules across team.
- VS Code Extension Compat — Most VS Code extensions work via the marketplace.
- YOLO Mode — Auto-approve all agent actions (for trusted workflows).
Developer interfaces
| Kind | Firebase | Cursor |
|---|---|---|
| CLI | Firebase CLI | Cursor 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 | — |
| REST | Auth REST API, Cloud Storage REST, Firebase Management API, Firestore REST API, Realtime Database REST | — |
| MCP | Firebase MCP Server | Cursor MCP support |
| OTHER | Firestore gRPC, Realtime Database WebSocket | Cursor Desktop App, Cursor Rules (.cursorrules), Privacy Mode |
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