An S3-compatible object store built around zero egress fees versus a Postgres-bundled file store that lives next to your auth and database — pick based on where the rest of your stack already is.
Pick Cloudflare R2 when you serve a lot of public assets and egress fees would dominate the bill, or you're already building on Workers and want object storage co-located with your edge compute. Pick Supabase Storage when you're already on Supabase and want files in the same project as your Postgres rows and auth — row-level-style access policies, signed URLs, and image transforms wired in without integrating a separate vendor.
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| Attribute | Cloudflare R2 | Supabase Storage |
|---|---|---|
| Category | Storage | Storage |
| Pricing Model | freemium | freemium |
| Starting Price | Free | Free / $25/mo |
| Free Tier | Yes | Yes |
| Open Source | No | Yes |
| Platforms | web, api, edge | — |
