Pick DuckDB if
analysts and app teams who will stay on local DuckDB at $0 (MIT) while they open a first UI notebook, then attach MotherDuck only when they need a hosted share.
Read the DuckDB pageDuckDB vs Supabase
Our take
Pick DuckDB if analysts and app teams who will stay on local DuckDB at $0 (MIT) while they open a first UI notebook, then attach MotherDuck only when they need a hosted share. Pick Supabase if app teams who will stay on Free at $0 (paused after 1 week of inactivity) while they open a first Table Editor, then buy Pro at $25 / month (first project included, extra projects $10 / mo) or Team at $599 / month.
Best for
DuckDB A columnar query you open on one machine
Supabase Postgres rows you inspect at $0
Free plan
DuckDB $0 · mIT. Local / embeddable. Governed by the DuckDB Foundation
Supabase $0 · projects pause after 1 week of inactivity. Community support
Lowest paid
DuckDB Not published by the vendor
Supabase Compute $10
Next step up
DuckDB
Supabase Pro from $25
Runs where
DuckDB Hosted
Supabase Hosted
Watch out
DuckDB Local UI is not a warehouse SLA
Supabase Free pauses after 1 week idle
Last checked
DuckDB 2026-10-23 · duckdb.org
Supabase 2026-10-23 · supabase.com/pricing
Which one, then?
Pick Supabase if
app teams who will stay on Free at $0 (paused after 1 week of inactivity) while they open a first Table Editor, then buy Pro at $25 / month (first project included, extra projects $10 / mo) or Team at $599 / month.
Read the Supabase page