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Is Firebase Free? Everything you Need to Know in 2024

In this article we will go over the firebase's free spark plan along with its limits so you can decide if it is right for your project.

is firebase free

Firebase Spark Plan: The Free Tier

The Spark plan is Firebase's free offering, designed to help you get started without incurring any costs. It includes a generous set of quotas, making it perfect for small applications and personal projects. However, it's essential to understand the specific limits that apply to avoid unexpected issues.

Realtime Database

  • 1 GB of storage
  • 100 simultaneous connections
  • 10 GB/month data transfer (download)


  • 1 GiB of storage
  • 50,000 reads per day
  • 20,000 writes per day
  • 20,000 deletes per day

Cloud Functions

  • 125,000 invocations/month
  • 40,000 GB-seconds/month
  • 40,000 CPU-seconds/month
  • 5 GB/month of outbound network data


  • 10,000 verifications/month for phone authentication
  • Unlimited for other authentication methods


  • 1 GB storage
  • 10 GB/month data transfer (download)


  • 5 GB storage
  • 20,000 upload operations/month
  • 50,000 download operations/month
  • 1 GB/month data transfer (download)

Test Lab

  • 10 tests per day on physical devices
  • 5 tests per day on virtual devices

If you exceed the free firebase limits you will need to upgrade to the pay as you go Blaze plan from firebase. We cover the blaze plan pricing in detail in our firebase pricing article.

firebase is free?

Firebase Free Spark Plan FAQs:

What happens if I exceed the limits of the Spark Plan?

If you exceed the usage limits in any month, your app will be temporarily shut off for the remainder of that month to prevent further resource usage and additional charges.

Can I upgrade or downgrade my plan at any time?

Yes, you have the flexibility to upgrade, downgrade, or cancel your plan at any time. However, prorated refunds are not provided for downgrades or cancellations.

How can I monitor my usage and billing?

Firebase provides usage and billing dashboards within the Firebase console, where you can track your resource consumption, costs, and project-level information.


In conclusion, Firebase offers both free and paid plans to cater to different needs. The Spark plan provides a generous free tier, but be mindful of the specific limits to avoid potential issues. 

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