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S3 vs Supabase Storage: Which Should You Choose?

Compare AWS S3 and Supabase Storage on object storage, pricing, and integration. Discover which solution best fits your app or SaaS.

S3 wins on scale and ecosystem; Supabase Storage on developer experience and integration. For new apps on Supabase, Storage makes sense; for enterprise or pure storage focus, S3 fits better.

AWS S3

Amazon’s scalable object storage with broad ecosystem integrations and enterprise features.

Supabase Storage

Managed object storage with built-in RLS, direct Postgres integration, and simple API.

What are the key differences between AWS S3 and Supabase Storage?

FeatureAWS S3Supabase Storage
ScalabilityVirtually unlimited, globalScalable, app-focused
PricingPay-per-use, complex tieringSimple, free tier, predictable
IntegrationOwn ecosystem, many SDKsDirectly tied to Supabase/auth
RLS / permsIAM policies, more configRow Level Security on files

What is the verdict on AWS S3 vs Supabase Storage?

S3 wins on scale and ecosystem; Supabase Storage on developer experience and integration. For new apps on Supabase, Storage makes sense; for enterprise or pure storage focus, S3 fits better.

Which option does MG Software recommend?

MG Software recommends Supabase Storage for new projects on the Supabase stack. For existing AWS clients, S3 remains the standard.

Further reading

ComparisonsAWS vs Azure: Which Cloud Platform Should You Choose?Supabase vs Firebase: Complete Comparison GuideBest Supabase Alternatives 2026What is SaaS? - Definition & Meaning

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Frequently asked questions

Often yes at small to medium volumes; S3 has lower marginal costs at very large scale.
Yes, via scripts or ETL. Both have APIs for upload and download.
Supabase offers CDN options; for heavy CDN use, Cloudflare or AWS CloudFront may be needed.

Is Supabase Storage cheaper than S3?

Often yes at small to medium volumes; S3 has lower marginal costs at very large scale.

Can I migrate from S3 to Supabase?

Yes, via scripts or ETL. Both have APIs for upload and download.

Does Supabase have CDN?

Supabase offers CDN options; for heavy CDN use, Cloudflare or AWS CloudFront may be needed.

Need help choosing?

We help you make the right choice for your project.

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