Firebase Pricing 2026 — Realtime DB, Firestore & Hosting Costs

Current Firebase Pricing (May 2026)

Plan	Monthly Cost	Realtime DB	Firestore	Hosting
Spark (Free)	$0	100 MB	1 GB	5 GB/month
Blaze	Pay-as-you-go	Unlimited	Unlimited	Unlimited
Enterprise	Custom	Custom	Custom	Custom

Blaze Plan Usage-Based Pricing

Firestore Operations

Reads per 100,000 $0.06

Writes per 100,000 $0.18

Deletes per 100,000 $0.18

Storage

Firestore storage per GB/month $0.18

Realtime Database per GB/month $1.00

Hosting storage per GB $0.026

Other Services

Cloud Functions invocation per million $0.40

Hosting bandwidth per GB $0.12

Authentication users (first 1M free) Free

Cost Estimation Examples

Scenario 1: Small Mobile App (100,000 daily users)

Firestore reads (3M/month) $1.80

Firestore writes (500K/month) $0.90

Firestore storage (5 GB) $0.90

Hosting bandwidth (50 GB/month) $6.00

Total ~$10/month

Scenario 2: Medium Web App (1M daily users)

Firestore reads (50M/month) $30.00

Firestore writes (5M/month) $9.00

Firestore storage (50 GB) $9.00

Cloud Functions (10M calls/month) $4.00

Hosting bandwidth (500 GB/month) $60.00

Total ~$112/month

Firebase vs Alternatives

vs Supabase: Firebase is fully managed; Supabase is PostgreSQL-based alternative. Firebase has broader ecosystem (Auth, Hosting, Functions), Supabase is cheaper for large databases.
vs MongoDB Atlas: Firebase is real-time optimized; MongoDB is document database optimized. Firebase better for mobile/web apps, MongoDB better for complex queries.
vs AWS DynamoDB: Firebase is simpler, better real-time. DynamoDB is AWS ecosystem, complex configuration.

When to Upgrade from Spark

Upgrade to Blaze (pay-as-you-go) when:

Your database exceeds 100 MB (Realtime) or 1 GB (Firestore)
You're running production applications with real traffic
You need unlimited storage and operations
You want to use Cloud Functions or advanced features

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