Does Firebase have a free tier?

Yes. The free Spark plan has fixed daily/monthly quotas (e.g. ~50K Firestore reads, 20K writes, 20K deletes per day and 1 GiB stored); exceeding them requires the pay-as-you-go Blaze plan.

Firebase

Firebase is Google's app-development platform (BaaS) whose flagship database, Cloud Firestore, is a fully managed document (NoSQL) store with realtime sync and offline support. It bundles authentication, serverless Cloud Functions, hosting and other backend services behind client SDKs for mobile and web.

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Firebase is Google's backend-as-a-service (BaaS) platform for building mobile and web applications without managing servers. Its primary database, Cloud Firestore, is a document-oriented NoSQL store that syncs data to clients in realtime via listeners and supports offline caching. Around the database, Firebase provides Firebase Authentication, serverless Cloud Functions, Firebase Hosting, Cloud Storage, and messaging, all accessed through client and admin SDKs. Firestore data is organized as documents grouped into collections, and it now supports capabilities such as full-text search, vector search, geospatial queries, and ACID transactions. Databases can be provisioned in regional or multi-region locations on Google Cloud infrastructure. Firebase is a proprietary managed service and cannot be self-hosted.

Key features

Cloud Firestore: managed document (NoSQL) database with realtime listeners and offline persistence
Firebase Authentication: sign-in with email/password, phone, and federated providers (Google, Apple, etc.)
Cloud Functions: serverless, event-driven backend logic that responds to Firestore and other triggers
Firebase Hosting: global CDN-backed hosting for static assets and web apps, with CLI deploys
Client and Admin SDKs for iOS, Android, web, Flutter, and server environments
Advanced Firestore queries: full-text search, vector search, geospatial queries, and ACID transactions

Specs

Category	Managed database
Engine	Document (NoSQL)
Pricing model	usage-based
Free tier	Yes — The free Spark plan has fixed daily/monthly quotas (e.g. ~50K Firestore reads, 20K writes, 20K deletes per day and 1 GiB stored); exceeding them requires the pay-as-you-go Blaze plan.
Regions	global (multi-region, on Google Cloud)
Self-hostable	No
Open source	No

Last reviewed 2026-07-16 — see our methodology. Specs, pricing and free tiers change often, so confirm current details on the provider before deciding.

Pros & cons

Our editorial assessment — not vendor-stated facts.

Pros

Tightly integrated stack (database, auth, functions, hosting) accessible through a single SDK
Realtime data sync and offline support handled by the client SDKs out of the box
Fully managed with automatic scaling and multi-region replication options on Google Cloud
Generous free Spark tier suitable for prototypes and small production apps
Backed by Google Cloud infrastructure with strong SDK and platform documentation

Cons

Firestore's NoSQL model limits complex queries: no native joins, and query constraints can require denormalization
Proprietary platform with meaningful vendor lock-in; there is no self-hosted or open-source option
Usage-based Blaze billing has no hard spending cap by default, so costs can rise sharply at scale
Per-operation pricing (reads/writes/deletes) makes read-heavy apps harder to cost-predict than a fixed-instance database

Pricing

Firebase uses a usage-based model with two plans. The free Spark plan provides fixed no-cost quotas (for example, roughly 50,000 Firestore reads, 20,000 writes, and 20,000 deletes per day plus 1 GiB stored), suitable for development and light workloads. The pay-as-you-go Blaze plan keeps those free quotas and then bills for usage beyond them per operation and per GB stored, with additional Google Cloud services billed as consumed. Blaze has no default hard spending limit, so budget alerts are recommended.

Who should use Firebase?

Firebase is a strong fit for mobile and web teams that want realtime data, authentication, and hosting integrated behind one SDK with minimal backend operations, especially for prototypes and consumer apps. It suits developers comfortable with a document (NoSQL) data model and the Google Cloud ecosystem. It is a weaker fit for teams needing relational queries, SQL, portability off a proprietary platform, or predictable fixed pricing at high read volumes.

Frequently asked questions

Does Firebase have a free tier?: Yes. The free Spark plan has fixed daily/monthly quotas (e.g. ~50K Firestore reads, 20K writes, 20K deletes per day and 1 GiB stored); exceeding them requires the pay-as-you-go Blaze plan.
How much does Firebase cost?: Firebase uses a usage-based model with two plans. The free Spark plan provides fixed no-cost quotas (for example, roughly 50,000 Firestore reads, 20,000 writes, and 20,000 deletes per day plus 1 GiB stored), suitable for development and light workloads. The pay-as-you-go Blaze plan keeps those free quotas and then bills for usage beyond them per operation and per GB stored, with additional Google Cloud services billed as consumed. Blaze has no default hard spending limit, so budget alerts are recommended.
Who should use Firebase?: Firebase is a strong fit for mobile and web teams that want realtime data, authentication, and hosting integrated behind one SDK with minimal backend operations, especially for prototypes and consumer apps. It suits developers comfortable with a document (NoSQL) data model and the Google Cloud ecosystem. It is a weaker fit for teams needing relational queries, SQL, portability off a proprietary platform, or predictable fixed pricing at high read volumes.