Database
Managed Postgres, SQLite and document stores with free tiers.
Supabase
Hosted Postgres with auth, storage, realtime and edge functions in one project. It is the backend Lovable and many Bolt apps connect to.
Free: 500 MB database, 1 GB file storage, 5 GB egressNeon
Serverless Postgres that scales to zero when idle, with database branching. Works with any Postgres client or ORM (Prisma, Drizzle).
Free: Up to 100 projects, no credit card requiredTurso
Hosted SQLite-compatible databases. Lightweight enough to give every user or tenant their own database.
Free: $0/month, no credit card requiredFirebase (Cloud Firestore)
Google's app platform: Firestore document database, Auth, Hosting and Cloud Messaging. Common in apps built with Firebase Studio.
Free: Spark plan: no payment method neededFree tiers at a glance
| Tool | Free tier highlights | Paid from |
|---|---|---|
| Supabase | 500 MB database, 1 GB file storage, 5 GB egress; 50,000 monthly active users for Auth | Pro: from $25/month |
| Neon | Up to 100 projects, no credit card required; 100 CU-hours of compute per project per month | Launch: pay-as-you-go, $0.106 per CU-hour |
| Turso | $0/month, no credit card required; 100 databases and 5 GB of storage | Developer: $4.99/month |
| Firebase (Cloud Firestore) | Spark plan: no payment method needed; Firestore: 1 GiB stored, 50K reads/day, 20K writes/day, 20K deletes/day | Blaze: pay as you go |