Supabase vs PocketBase: Performance Deep Dive

PocketBase wins on raw request latency for a single-server app. PocketBase is one Go binary with SQLite embedded in the same process, so a database read is an in-process function call with no network hop, no connection pool, and no separate API layer in between. Supabase reaches Postgres over the network through PostgREST and a pooler, and every one of those hops costs milliseconds. Supabase wins the moment writes get concurrent: Postgres handles many simultaneous writers with MVCC, while SQLite serialises writers, so PocketBase’s latency advantage inverts under write contention.

Migration complexity depends on how deeply integrated your project is. Surface-level usage can be migrated in days. Deep integrations with custom configurations may take weeks. Both communities offer migration guides. Consider running both in parallel during transition to ensure no regressions.

Both are popular with startups. Supabase is often chosen for its mature ecosystem, while PocketBase appeals to startups that value modern architecture. The best choice depends on your team's experience and your specific baas requirements.