Free Tier TrackerHome › Databases › Firebase Realtime Database (Spark)
Firebase Realtime Database (Spark) Free Tier
Free tier- Simultaneous connections100
- Stored data1 GB
- Downloads10 GB / month
- Databases per project1
Catch: 100 simultaneous connections is the main ceiling on Spark; multiple database instances per project need the Blaze plan.
- Source
- https://firebase.google.com/pricing
- Last checked
- 12 Nov 2026
FAQ
Does Firebase Realtime Database have a free tier?
Yes. Firebase Realtime Database (Spark) is free within published limits (Simultaneous connections: 100; Stored data: 1 GB; Downloads: 10 GB / month; Databases per project: 1). Last checked 12 Nov 2026 against https://firebase.google.com/pricing.
What is the catch with the Firebase Realtime Database free tier?
100 simultaneous connections is the main ceiling on Spark; multiple database instances per project need the Blaze plan.
What are free alternatives to Firebase Realtime Database?
Other databases services with a free tier tracked here: Supabase, Neon, MongoDB Atlas. Compare them side by side at https://freetiertracker.com/databases/.
Change History
- Added Firebase Realtime Database (Spark): 100 simultaneous connections, 1 GB stored, 10 GB/month downloads.
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