Backend as a Service (BaaS)
Firebase Pricing Explained: Tiers, Limits & Hidden Costs
Proprietary
- Starting price
- Free tier then usage-based
- Pricing model
- Pay-as-you-go (Blaze Plan)
- Free tier
- Generous Spark Plan (1GB storage, 50k reads/day)
Firebase plans and limits
| Tier | What you get |
|---|---|
| Free | Generous Spark Plan (1GB storage, 50k reads/day) |
| Paid entry point | Free tier then usage-based |
| How the bill grows | Pay-as-you-go (Blaze Plan) |
| Self-hosted | Not available |
Hidden costs to budget for
- NoSQL indexing and complex relational queries are difficult/costly
- Surprise runaway billing risks if database reads spike unexpectedly
What Firebase costs as you grow
Supabase provides a fixed $25/mo Pro tier with predictable limits, preventing the infamous viral runaway billing spikes that trap Firebase users.
Firebase vs SupabaseCheaper alternatives to Firebase
SupabaseBAASOpen SourceSelf-HostableFrom $25/mo (Pro tier) or Free Self-HostedPocketBaseBAASOpen SourceSelf-HostableFrom $0 (self-hosted single binary)AppwriteBAASOpen SourceSelf-HostableFrom $0 (self-hosted) or $15/mo (Cloud Pro)
Compare all Firebase alternatives Firebase pricing: FAQ
How much does Firebase cost?
Google Firebase uses pay-as-you-go (Blaze Plan) pricing. Paid usage starts at Free tier then usage-based.
Does Firebase have a free tier?
Generous Spark Plan (1GB storage, 50k reads/day).
What are the hidden costs of Firebase?
NoSQL indexing and complex relational queries are difficult/costly. Surprise runaway billing risks if database reads spike unexpectedly.
What are cheaper alternatives to Firebase?
Supabase ($25/mo (Pro tier) or Free Self-Hosted), PocketBase ($0 (self-hosted single binary)), Appwrite ($0 (self-hosted) or $15/mo (Cloud Pro)).