Firebase pricing, checked at the source
Spark and Blaze plan prices for Cloud Firestore, Cloud Storage, Authentication and Cloud Functions, read off Firebase and Google Cloud pages with a link on every row.
Firebase plans
Monthly prices in USD, billed monthly unless the row says otherwise. Each row links to Firebase's pricing page.
| Plan | Per month | What it includes | Source |
|---|---|---|---|
| Spark | $0 | No-cost usage limits, no payment method needed | Sourcechecked 2026-10-25 |
| Blaze | $0 | Pay as you go; includes the Spark no-cost usage, then Google Cloud pricing | Sourcechecked 2026-10-25 |
Firebase usage rates
What each unit costs, what is free or included, and which plan the rate is on. Every row shows its source and the day we checked it.
| What you pay for | Rate | Free or included | Plan | Notes | Source |
|---|---|---|---|---|---|
| Firestore document readsus-central1 | $0.03 per 100,000 document reads | First 1.5M document reads included | Blaze | Free quota is 50,000 reads per day. | Sourcechecked 2026-10-25 |
| Firestore document writesus-central1 | $0.09 per 100,000 document writes | First 600,000 document writes included | Blaze | Free quota is 20,000 writes per day. | Sourcechecked 2026-10-25 |
| Firestore document deletesus-central1 | $0.01 per 100,000 document deletes | First 600,000 document deletes included | Blaze | Free quota is 20,000 deletes per day. | Sourcechecked 2026-10-25 |
| Firestore stored data beyond 1 GiBus-central1 | $0.15 per GB-month | First 1 GB-month included | Blaze | Page shows $0.000205479 per GiB-hour; x730 hours = $0.15 per GiB-month. | Sourcechecked 2026-10-25 |
| Cloud Storage, Standard classus-central1 | $0.02 per GB-month | First 5 GB-month included | Blaze | Page shows $0.000027397 per GiB-hour; x730 = $0.02 per GiB-month. 5 GB-months free only in us-central1, us-west1, us-east1. | Sourcechecked 2026-10-25 |
| Cloud Storage data transfer to the internet (worldwide, excl. Asia and Australia) | $0.12 per GB, falling with volume | First 100 GB free | Blaze | Tiers are in GiB (10 TiB, 150 TiB). Firebase includes 100 GB/month downloaded for *.firebasestorage.app buckets.Volume prices: 0 to 100: free; 100 to 10,240: $0.12; 10,240 to 153,600: $0.11; above 153,600: $0.08. | Sourcechecked 2026-10-25 |
| Authentication (with Identity Platform), email/phone/anonymous/social sign-in | $0.0055 per MAU, falling with volume | First 50,000 MAUs free | All | Firebase page: no-cost up to 50K MAUs, then Google Cloud pricing. Phone auth SMS billed separately. SAML/OIDC: 50 free, then $0.015/MAU.Volume prices: 0 to 50,000: free; 50,000 to 100,000: $0.0055; 100,000 to 1M: $0.0046; 1M to 10M: $0.0032; above 10M: $0.0025. | Sourcechecked 2026-10-25 |
| Cloud Functions invocations beyond 2 million | $0.40 per 1M invocations | First 2M invocations included | Blaze | GB-seconds and CPU-seconds are billed separately at Google Cloud pricing. | Sourcechecked 2026-10-25 |
Estimate your Firebase bill
Pick a plan and enter your monthly usage. The total updates as you type.
Estimated month
$0.00
Spark: plan fee $0.00
| Usage | Amount a month | Cost |
|---|---|---|
| $0.0055 per MAU, falling with volume | Priced per MAU | $0.00 |
List prices in USD before tax, from Firebase's pricing page checked 2026-10-25. USD, Blaze (pay as you go). Firestore Standard edition and Cloud Storage prices are for Iowa (us-central1); multi-region locations cost more. Google lists storage per GiB-hour; we multiply by 730 for a month. Firestore free quotas are daily; the monthly figure uses 30 days.
How the bill is worked out
Free tier
Firestore
Cloud Storage
Assumptions
USD, Blaze (pay as you go). Firestore Standard edition and Cloud Storage prices are for Iowa (us-central1); multi-region locations cost more. Google lists storage per GiB-hour; we multiply by 730 for a month. Firestore free quotas are daily; the monthly figure uses 30 days.
Not confirmed, so left out
- Firestore nam5 (multi-region) prices: the fetched table showed the default us-central1 values only.
- Firestore network egress per-GB price.
- Cloud Functions GB-second and CPU-second rates (Firebase page defers to Google Cloud pricing).
- Any hard spend cap on Blaze (not stated on the pricing page).
Firebase pricing questions
How much does Firebase cost?
Spark has no monthly fee: No-cost usage limits, no payment method needed. Usage rates include firestore stored data beyond 1 GiB at $0.15 per GB-month, cloud Storage, Standard class at $0.02 per GB-month and cloud Storage data transfer to the internet (worldwide, excl. Asia and Australia) at $0.12 per GB, falling with volume. All checked on 2026-10-25.
Is there a free tier on Firebase?
Yes. Firestore document reads: 1,500,000 document reads a month at no charge, Firestore document writes: 600,000 document writes a month at no charge and Firestore document deletes: 600,000 document deletes a month at no charge. The rates table shows which plan each allowance is on.
What is not on Firebase's pricing page?
We could not confirm these on 2026-10-25, so the page shows no number for them: Firestore nam5 (multi-region) prices: the fetched table showed the default us-central1 values only. Firestore network egress per-GB price. Cloud Functions GB-second and CPU-second rates (Firebase page defers to Google Cloud pricing). Any hard spend cap on Blaze (not stated on the pricing page).
Where do these prices come from?
From Firebase's own pricing pages, starting at https://firebase.google.com/pricing, checked on 2026-10-25. Every row links to the page it came from. USD, Blaze (pay as you go). Firestore Standard edition and Cloud Storage prices are for Iowa (us-central1); multi-region locations cost more. Google lists storage per GiB-hour; we multiply by 730 for a month. Firestore free quotas are daily; the monthly figure uses 30 days.
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