Turso

★★★★★4/5

free tier availablenew

SQLite at the edge — replicated globally for sub-millisecond reads.

2026 verdict

Best for multi-tenant SaaS and read-heavy global apps

Best for: Multi-tenant SaaS apps that want per-customer database isolation, and read-heavy global applications where sub-millisecond reads matter

Not for: Write-heavy applications, complex analytical workloads, or teams already standardized on Postgres tooling

Overview

Turso is built on libSQL, a fork of SQLite, and makes a compelling argument: SQLite is the fastest database for read-heavy workloads because there is no network round trip. Turso extends this to the cloud by embedding the database in edge nodes globally and replicating writes across all of them.

The architecture gives you sub-millisecond read latency from any of the 35+ edge locations, because the database replica is physically co-located with your application code. Writes go to a primary region first (typically under 50ms), then replicate globally within seconds.

The multi-tenancy story is Turso's most distinctive feature for SaaS builders: you can create a separate SQLite database per user or per tenant, each isolated, for effectively no additional cost. At PlanetScale or Supabase, a per-tenant database model requires separate managed instances that quickly become expensive. Turso allows thousands of tenant databases on a single plan.

The trade-off is SQLite's limitations: fewer advanced data types, no stored procedures, limited support for complex analytical queries. For most web applications these limitations do not matter. For complex reporting or analytical workloads, reach for Postgres.

Turso is most compelling for read-heavy applications — documentation sites, public dashboards, content-driven apps — where low global read latency is worth the architectural constraints.