Notion vs Supabase

Notion advertises $10/mo and Supabase advertises $0/mo. Notion has 3 documented extra fees (recurring: +$50/mo), while Supabase has 3 (recurring: +$40/mo). On these illustrative assumptions, Supabase has the lower estimated monthly cost (about 33% less). Your real cost depends on seats and usage — use the calculator for your numbers.

Notion has 3 documented extra fees: Notion AI Credits (Custom Agents), Custom Automation Feature Gate, API Access Paywall. Recurring fees add roughly $50/mo on top of the $10/mo advertised price.

Supabase has 3 documented extra fees: Database Size Overage, Bandwidth Overage, Edge Function Invocation Limits. Recurring fees add roughly $40/mo on top of the $0/mo advertised price.

Choose Notion if: All-in-one workspace for notes, docs, databases, and wikis. Affordable for small teams, but AI credi. Choose Supabase if: Open-source Firebase alternative with Postgres database. Free tier is generous, then $25-$599/mo — b. The right choice depends on your team size, usage volume, and which features you need most.

This comparison is compiled from public vendor pricing pages and documentation. It uses illustrative assumptions (see "Cost Comparison Summary"), not your exact seats or usage, and vendor prices change often. Confirm current prices on each vendor's site, and use our calculator with your own usage for a closer estimate. Spotted an error? Email hello@trulycritic.com.