Firebase (Cloud Firestore)
Google's app platform: Firestore document database, Auth, Hosting and Cloud Messaging. Common in apps built with Firebase Studio.
Free tier
- Spark plan: no payment method needed
- Firestore: 1 GiB stored, 50K reads/day, 20K writes/day, 20K deletes/day
- 10 GiB/month network egress
- Hosting: 10 GB storage, 360 MB/day transfer
Paid plans: Blaze: pay as you go
Best for
Mobile and realtime apps that fit a document model.
Watch out: Firestore free quotas are daily and reset at midnight. Cloud Functions are not available on Spark; you need Blaze, which requires a billing account.
Sources
Checked on 2026-11-11. Vendors change pricing often, so confirm on the official page before you commit.