Firebase
Firebase is Google's app development platform providing hosted databases, authentication, hosting, cloud functions and related services.
Free tierVerified
Our verdict
Google's app platform with a document database, auth and hosting, plus a no-cost Spark plan that needs no payment method. Strong for mobile apps; a document model rather than SQL.
Best for
- ✓ Mobile apps
- ✓ Realtime sync
- ✓ Google Cloud users
Watch out for
- ! Blaze is pay-as-you-go: set budget alerts
- ! Document model makes complex queries harder
Pricing
Read from the official pricing page. Prices in USD; always confirm on the vendor's site.
| Plan | Price | Details |
|---|---|---|
| Spark | Free | No-cost plan limited to no-cost quotas; no payment method needed |
| Blaze | $0 + usage | Pay as you go above no-cost quotas, e.g. Cloud Functions $0.40/million invocations after 2M/month, Hosting transfer $0.15/GB after 360 MB/day; eligible users get $300 credit |
Note: Firestore, Cloud Storage (new buckets) and Cloud SQL bill at Google Cloud rates not listed on the page.
When to switch
You need relational data and SQL
→ Supabase. Supabase gives you Postgres with similar auth and storage features.
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