Supabase
Our pickDatabase, logins and storage in one, AI tools know it, spend cap on by default.
What is the best free database for a web app?
Supabase is the best free database for beginners. It gives you a full Postgres database plus logins, file storage and an API in one dashboard, and AI coding tools know it well. Free projects pause after a week with no activity. Neon is a free serverless Postgres that sleeps when idle and wakes instantly. Cloudflare D1 is a free SQLite database for apps hosted on Cloudflare.
Sites last checked 15 Oct 2026. How we test
Our pick
Also good
Neon
GoodServerless Postgres that sleeps when idle.
Cloudflare D1
GoodFree SQLite database for Cloudflare apps.
Turso
GoodSQLite databases at the edge, generous free tier.
Good to know
- Turn on Row Level Security in Supabase before you share your app. Without it, anyone can read your tables.