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Supabase vs Windmill

Supabase and Windmill are both developer tools tools aimed at developers. Windmill costs less, from $10/mo versus $25/mo for Supabase. Both have a free plan.

Supabase

Open-source Firebase alternative on Postgres

Windmill

Open-source developer platform for scripts, flows and apps

PricingOpen source · $25Open source · $10
Starting price$25/mo$10/mo
Free planYesYes
Free trial——
Built forDevelopersDevelopers
Platformswebweb
CountrySG · 2020FR · 2022
Rating——

Choose Supabase if

Developers and startups who want a Postgres-based backend with batteries included and an exit path.

  • Real Postgres, no proprietary data model
  • Generous free tier; Pro is affordable
  • Open source and self-hostable

Look elsewhere if: Teams needing multi-region writes or non-relational models by default.

Choose Windmill if

Developers wanting code-first automation.

  • Very fast engine
  • Code-first
  • Open source

Look elsewhere if: No-code users.

Supabase vs Windmill pricing

Supabase

  • Free$02 active projects, 500 MB DB, 50k MAU
  • Pro$25/mo100k MAU, 8 GB disk, $10 compute credit
  • Team$599/moSSO, SOC 2, longer backups and logs
  • EnterpriseCustomCustom SLAs, BYO cloud

Windmill

  • Community Edition$0Self-hosted, unlimited executions, max 10 users with SSO
  • Cloud Team$10/seat/moManaged cloud; per seat (from page structured data)
  • Enterprise (self-hosted)from $120/mo$20/dev/mo + $50/worker/mo compute; audit logs, SAML
  • Enterprise (cloud)CustomBased on seats and compute units

Supabase · Key features

  • Managed Postgres with extensions, pgvector and branching
  • Auto-generated REST (PostgREST) and GraphQL APIs
  • Auth with email, OAuth, magic links, MFA and row-level security
  • Storage with CDN and image transformations
  • Edge Functions (Deno) and Realtime channels
  • Dashboard SQL editor, table editor, logs and self-hosting option

Cons

  • Free projects pause after inactivity
  • Compute add-ons and egress raise costs at scale
  • Edge Functions are Deno-only

Windmill · Key features

  • Scripts to workflows
  • Schedules and triggers
  • Auto-generated UIs
  • App builder
  • Multi-language
  • Self-hosting

Cons

  • Developer-oriented
  • Smaller community
  • Learning curve

Supabase vs Windmill: FAQ

Which is cheaper, Supabase or Windmill?

Windmill starts at $10/mo and Supabase at $25/mo. Both prices are checked on the vendors' own pricing pages.

Do Supabase and Windmill have a free plan?

Yes, both Supabase and Windmill have a free plan; paid plans add more usage and features.

Not sure yet?

Supabase vs Windmill (2026): Pricing and Features