Firebase
Spark plan: free tier of Firestore, Auth, Hosting.
Database
What you get
Spark plan with no-cost usage limits across Firestore, Auth, Hosting and more.
How to get it
Get started at firebase.google.com.
What it requires
No payment method needed.
The catch
Some services and higher usage need the Blaze pay-as-you-go plan.
From the official page ยท checked 2026-10-14
Other Database tools (6)
| MongoDB Atlas | 512MB storage | |
| Neon | Compute and storage caps | Card: none |
| Pinecone | Storage caps | |
| Supabase | 500 MB database, 5 GB egress, 2 active projects; paused after 1 week inactive | |
| Turso | Storage/row-read caps | Card: none |
| Upstash | Command limits |