Firebase pricing 2026
Firebase pricing has two plans. Spark is free and needs no payment method, with daily and monthly quotas for Auth, Firestore, Realtime Database, Storage and Hosting. Blaze is pay as you go: the same free usage is included, then you pay per unit, often at Google Cloud rates. Eligible new Blaze accounts get $300 in free credit.
Firebase pricing at a glance
Checked
- Paid plans start at
- Custom pricing
- Free plan
- Yes, Spark
- 2 plans
- Spark · Blaze
US dollars before tax, at the time of writing. Checked against the sources listed below.
Firebase plans and prices
| Plan | Price | What you get |
|---|---|---|
| Spark | $0, no payment method | 50K Auth MAU; Firestore 1 GiB stored, 50K reads, 20K writes and 20K deletes a day; Hosting 10 GB stored and 360 MB a day transfer |
| Blaze | Pay as you go | Spark usage included, then per-unit prices; adds Cloud Functions, App Hosting, phone auth and higher limits; $300 credit if eligible |
Firebase free tier limits
Spark plan: no payment method, 50K Auth MAU, Firestore with 1 GiB stored and 50K reads a day, Hosting with 10 GB stored; Cloud Storage now needs Blaze.
| Limit | Free tier |
|---|---|
| Price | $0, no payment method needed |
| Authentication | 50K MAU; SAML and OIDC 50 MAU; no phone auth |
| Cloud Firestore | 1 GiB stored; 50K reads, 20K writes and 20K deletes a day; 10 GiB egress a month |
| Realtime Database | 1 GB stored, 10 GB a month downloaded, 100 simultaneous connections |
| Hosting | 10 GB stored, 360 MB a day of transfer |
| Cloud Storage | Not available on Spark since 3 February 2026; needs Blaze |
| Cloud Functions and App Hosting | Not available on Spark |
| Cheapest paid plan | Blaze, pay as you go; eligible accounts get $300 in credit |
What happens at the limit
No-cost quotas apply per project. On Spark you lose read and write access to Cloud Storage, including the default bucket, unless the project moves to Blaze.
Free tier limits checked on against Firebase pricing, Cloud Storage plan change FAQ.
What decides your Firebase bill
- Authentication: 50K MAU free on both plans, then Google Cloud pricing. SAML and OIDC sign-ins: 50 MAU free. Phone auth is Blaze only and billed per SMS.
- Cloud Firestore (Standard): 1 GiB stored, 10 GiB a month of egress, 50K reads, 20K writes and 20K deletes a day free; above that, Google Cloud pricing.
- Realtime Database on Blaze: 1 GB stored free, then $5 per GB; 360 MB a day downloaded free, then $1 per GB. Spark allows 100 simultaneous connections.
- Cloud Storage needs the Blaze plan since 3 February 2026. On Blaze, firebasestorage.app buckets include 5 GB-months stored and 100 GB a month downloaded at no cost, in us-central1, us-west1 and us-east1 only.
- Hosting: 10 GB stored free, then $0.026 per GB; 360 MB a day of transfer free, then $0.15 per GB.
- Cloud Functions: 2M invocations a month free, then $0.40 per million; 5 GB a month of outbound networking free, then $0.12 per GB.
- Data Connect: Cloud SQL for PostgreSQL has a 3-month trial for the first instance, then starts at $9.37 a month on Blaze.
FAQ
Is Firebase free?
Yes, on the Spark plan, which needs no payment method. It includes 50K monthly active users for Auth and daily quotas for Firestore. Some products, such as Cloud Functions and App Hosting, need the Blaze plan.
What is the Firebase Blaze plan?
Blaze is pay as you go. You keep all of Spark's free usage, and pay per unit above it, often at Google Cloud rates. It needs a billing account, and eligible accounts get $300 in free credit.
How much do Firestore reads and writes cost?
The first 50K reads, 20K writes and 20K deletes each day are free. Above that, the Firebase pricing page points to Google Cloud's Firestore pricing for the per-operation rates.
Does Firebase have a Postgres option?
Yes. Data Connect uses Cloud SQL for PostgreSQL, with a 3-month free trial for the first instance, then from $9.37 a month on Blaze at the time of writing.
Sources, checked October 30, 2026
Prices and plans change often. If something here is out of date, tell us through the contact page.