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Pick a fit, not a champion
These pages put two tools next to each other using the same questions. Neither column is paid placement.
- Clerk vs Supabase AuthHosted sign-in UI and retained-user billing versus authentication that ships inside the Supabase project.Updated 16 Oct 2026
- Stripe vs PaddleYou are the merchant with Stripe, or Paddle is the merchant of record and handles sales tax for a digital product.Updated 16 Oct 2026
- Supabase vs FirebasePostgres and row-level security versus Google's document database and security rules, for apps that started in an AI builder.Updated 16 Oct 2026