AWS S3 vs Supabase Storage(2026)
AWS S3 is better for teams that need battle-tested reliability. Supabase Storage is the stronger choice if integrated with supabase auth. AWS S3 is paid (from $0.023/GB/month + egress) and Supabase Storage is freemium (from $25/month (included in Supabase)).
Full feature breakdown, pricing details, and pros & cons below.
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AWS S3
Amazon S3 is the industry-standard object storage service with 99.999999999% durability.
Starting at $0.023/GB/month + egress
Visit AWS S3Supabase Storage
Supabase Storage is an S3-compatible object storage built on top of S3 with Postgres RLS policies for fine-grained access control.
Starting at $25/month (included in Supabase)
Visit Supabase StorageHow Do AWS S3 and Supabase Storage Compare on Features?
| Feature | AWS S3 | Supabase Storage |
|---|---|---|
| Pricing model | paid | freemium |
| Starting price | $0.023/GB/month + egress | $25/month (included in Supabase) |
| 99.999999999% durability | ✓ | — |
| Versioning | ✓ | — |
| Lifecycle policies | ✓ | — |
| Event notifications | ✓ | — |
| Glacier archival | ✓ | — |
| Access controls | ✓ | — |
| S3-compatible | — | ✓ |
| Postgres RLS policies | — | ✓ |
| CDN delivery | — | ✓ |
| Image transformations | — | ✓ |
| Resumable uploads | — | ✓ |
| Signed URLs | — | ✓ |
AWS S3 Pros and Cons vs Supabase Storage
AWS S3
Supabase Storage
Should You Use AWS S3 or Supabase Storage?
Choose AWS S3 if…
- •Battle-tested reliability
- •Massive ecosystem
- •Extensive tooling
Choose Supabase Storage if…
- •Integrated with Supabase auth
- •Row-level security for storage
- •Good free tier