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3 Best AWS S3 Alternatives(2026)

We compared 3 production-ready alternatives to AWS S3 across pricing, license terms, ecosystem, and the specific tradeoffs each one makes — so you can pick the right replacement in under five minutes instead of three weekends.

Reviewed by the DevVersus editorial teamLast updated

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AWS S3 is scalable object storage. It is paid, with paid plans starting at $0.023/GB/month + egress — and while many teams stick with it, the most common pushback we hear is around egress fees add up fast.

The 3 alternatives below are ranked by how often they are picked as a AWS S3replacement in real engineering teams we have surveyed and from changelog data. We list the pricing model, the standout strengths, the tradeoffs you will inherit, and a one-line "best for" summary. Use the comparison table to scan, then click into any row for the full breakdown.

You're replacing

AWS S3

paid

Scalable object storage

Starts at $0.023/GB/month + egress

Visit site →

Common reasons to switch

Egress fees add up fastComplex pricingAWS account complexity

Quick comparison

ToolLicenseStarts atStandout strength
Cloudflare R2freemium$0.015/GB/monthNo egress fees (huge vs AWS S3)
Backblaze B2paid$6/TB/month4x cheaper than S3
Supabase Storagefreemium$25/month (included in Supabase)Integrated with Supabase auth

The 3 alternatives in detail

Cloudflare R2 logo1

Cloudflare R2

freemium

From $0.015/GB/month

Cloudflare R2 is an S3-compatible object storage with zero egress fees and a generous free tier.

Best for: teams who want to start free and upgrade to paid features as they scale.

Pros

+No egress fees (huge vs AWS S3)
+S3-compatible
+Global CDN included
+Very cheap

Cons

No lifecycle policies (yet)
Cloudflare account required
Less mature than S3

Features

S3-compatible APIZero egress feesGlobal replicationPublic bucketsWorkers integration
Backblaze B2 logo2

Backblaze B2

paid

From $6/TB/month

Backblaze B2 is S3-compatible object storage at $6/TB/month — 4x cheaper than AWS S3.

Best for: teams ready to pay for 4x cheaper than s3.

Pros

+4x cheaper than S3
+Free egress to Cloudflare
+S3-compatible
+Simple pricing

Cons

Smaller ecosystem than S3
Fewer regions than S3
Less compliance certifications

Features

S3-compatible APICloudflare partnership (free egress)VersioningLifecycle rulesPublic buckets
Supabase Storage logo3

Supabase Storage

freemium

From $25/month (included in Supabase)

Supabase Storage is an S3-compatible object storage built on top of S3 with Postgres RLS policies for fine-grained access control.

Best for: teams who want to start free and upgrade to paid features as they scale.

Pros

+Integrated with Supabase auth
+Row-level security for storage
+Good free tier
+Image optimization built-in

Cons

Tied to Supabase ecosystem
Less mature than S3
Limited to Supabase regions

Features

S3-compatiblePostgres RLS policiesCDN deliveryImage transformationsResumable uploadsSigned URLs

How we pick alternatives

We start from real engineering teams, not search volume. Every alternative on this list comes from change-log data, public migration posts, and our own survey of engineering managers — not just "tools that share keywords with AWS S3." If nobody is actually replacing AWS S3 with a tool, it does not appear here, even if it shows up on other ranking sites.

We list real tradeoffs, not pros-and-cons theater. Every cons section is a real reason your team will hit friction with that tool — pricing jumps after a usage threshold, ecosystem gaps, breaking changes between versions, missing integrations. We do not pad cons with vague complaints to make pros look better.

Pricing reflects what you will actually pay. "Starts at" numbers are the realistic entry point for a small production team — not the marketing-only free tier. We update these prices when vendors change them, with the last-updated date stamped at the top of this page.

No pay-to-play ranking. DevVersus earns affiliate commission on some links — those are tagged with the disclosure above. Affiliate status does not change ranking order. Tools with no affiliate program outrank ones we earn from when they fit the use case better.

Frequently asked questions

What is the best alternative to AWS S3?

Cloudflare R2 is the most-recommended AWS S3 alternative for general use. It offers no egress fees (huge vs aws s3) and s3-compatible, with a freemium licensing model starting at $0.015/GB/month. That said, the right choice depends on whether you prioritize cost, ecosystem maturity, or specific features — see the full comparison above.

Is there a free alternative to AWS S3?

Cloudflare R2 offers a freemium plan you can use without paying. Once you exceed the free tier limits, paid plans start at $0.015/GB/month.

Why do developers switch from AWS S3?

The most common reasons developers move away from AWS S3 are: egress fees add up fast; complex pricing; aws account complexity. These limitations push teams to evaluate alternatives once their workload, team size, or technical requirements grow.

How does AWS S3 compare to Cloudflare R2?

AWS S3 is paid (from $0.023/GB/month + egress) and is known for scalable object storage. Cloudflare R2 is freemium (from $0.015/GB/month) and focuses on s3-compatible object storage without egress fees. For a side-by-side breakdown, see our /compare/aws-s3-vs-cloudflare-r2 page.

Should I migrate from AWS S3 to one of these alternatives?

Migration is rarely worth it for cost alone — you should switch only when your current tool blocks a workflow, scales poorly, or is being deprecated. If AWS S3 is meeting your needs, the lock-in cost (re-training the team, rewriting integrations, retesting) often outweighs the savings. Use this page to identify candidates, then run a 1-2 week proof-of-concept before committing.

Compare AWS S3 head to head

Reviewed by the DevVersus editorial team — engineers who have shipped production code on the tools we compare. We update this page when pricing, features, or ecosystem changes warrant it. Last updated .