Best free & cheaper alternatives to Auth0 (Okta Customer Identity) (2026)

Auth-as-a-service (MAU / B2B seat priced) — expensive at scale vs self-host IdPs.

Auth0 (Okta Customer Identity) typical price: $35/mo Estimated Price checked: 2026-07-29 · Page updated 2026-08-19

Key takeaways

  • Best free: Keycloak (match 90/100).
  • Est. savings vs Auth0 (Okta Customer Identity): ~$420/year with Keycloak.
  • Ranked by match score + price; paid placements labeled (see Trust).
  • Trial real files before canceling Auth0 (Okta Customer Identity).

What is the best alternative to Auth0 (Okta Customer Identity)?

Short list of the highest-ranked free and cheaper options (match score + price). Details and full ranking follow.

Top pick · Free

Keycloak

Match 90/100 · Free · save ~$420/yr

  • FOSS IdP
  • Self-host

Open free

#2 · Free

Authentik

Match 86/100 · Free · save ~$420/yr

  • FOSS IdP

Open free

#3 · Free

Supabase Auth

Match 82/100 · Free · save ~$420/yr

  • Free tier auth

Open free

Top free & cheaper alternatives to Auth0 (Okta Customer Identity)

Ranked by closest match score, then lower price. Free options surface when they fit. How we rank: methodology · trust.

#1 · match 90/100

Keycloak

Keycloak — free open-source identity provider (self-host).

FOSS IdPSelf-host
Free
Free / mo
Save ~$420 / year
~$35/mo less

Open free

#2 · match 86/100

Authentik

Authentik — free open-source identity provider.

FOSS IdP
Free
Free / mo
Save ~$420 / year
~$35/mo less

Open free

#3 · match 82/100

Supabase Auth

Supabase Auth — free-tier managed auth for apps.

Free tier auth
Free
Free / mo
Save ~$420 / year
~$35/mo less

Open free

#4 · match 70/100

Cloudflare Access

Cloudflare Access — often a stronger value alternative.

ZT free seats
Free
Free / mo
Save ~$420 / year
~$35/mo less

Open free

Auth0 (Okta Customer Identity) vs cheaper alternatives — price comparison table

Comparison of Auth0 (Okta Customer Identity) ($35/mo) vs free and cheaper alternatives. Match is editorial (0–100). Savings are estimates as of 2026-08-19.
ToolPriceMatchEst. savings vs Auth0 (Okta Customer Identity)Link
Auth0 (Okta Customer Identity) (paid baseline)$35/mo
#1 Keycloak
Free 90/100 $420/yr Open
#2 Authentik
Free 86/100 $420/yr Open
#3 Supabase Auth
Free 82/100 $420/yr Open
#4 Cloudflare Access
Free 70/100 $420/yr Open

We may earn a commission on some links. Approximate seed pricing — verify on vendor site CheaperThan is independent comparison content, not affiliated with Auth0 (Okta Customer Identity) unless stated. Author: CheaperThan Editorial · Sources: public vendor pricing + catalog match notes · Methodology.

How to pick a cheaper Auth0 (Okta Customer Identity) alternative

  1. Review the top Auth0 (Okta Customer Identity) alternatives. Start with Keycloak (free) as the highest match + price pick on this page, and note any free options such as Keycloak.
  2. Trial with real work. Export a sample project from Auth0 (Okta Customer Identity) and test the same workflow in the alternative before you cancel anything.
  3. Confirm price and savings. Verify current vendor pricing. Estimated savings vs Auth0 (Okta Customer Identity) for Keycloak are about $420/year — labeled Estimated or Verified on CheaperThan.
  4. Read trust & guides, then switch. Check /trust/ for how ranking and paid placements work, browse /guides/ for editorial deep-dives, then migrate and cancel Auth0 (Okta Customer Identity) only when ready.

Trust & transparency · Guides · Methodology · Best free Security

FAQ: free & cheaper alternatives to Auth0 (Okta Customer Identity)

What is the best free alternative to Auth0 (Okta Customer Identity)?

Keycloak is the best free alternative to Auth0 (Okta Customer Identity) on this page (match score 90/100). Keycloak — free open-source identity provider (self-host). Always trial free tiers before migrating critical work.

Cheaper than Auth0 (Okta Customer Identity) — what should I use?

If you want cheaper than Auth0 (Okta Customer Identity), start with Keycloak (free). CheaperThan ranks by closest match plus lower price.

How much does Auth0 (Okta Customer Identity) cost per month?

Auth0 (Okta Customer Identity) is listed at about $35 per month (or $420/year). Price checked 2026-07-29. Vendor pricing changes — confirm on the official site.

How much can I save switching from Auth0 (Okta Customer Identity)?

Switching from Auth0 (Okta Customer Identity) to Keycloak can save about $420 per year (~$35/month). Other rows show savings for each alternative.

Is Keycloak good enough vs Auth0 (Okta Customer Identity)?

Match scores estimate feature/use-case overlap, not perfection. Keycloak scores 90/100 for Auth0 (Okta Customer Identity) workflows. For pro production, test your real files before canceling Auth0 (Okta Customer Identity).

Free security tools like Auth0 (Okta Customer Identity)?

Yes — in Security, free options such as Keycloak are commonly used instead of Auth0 (Okta Customer Identity). See also related tools in this category below and /best-free/security/.

How does CheaperThan rank Auth0 (Okta Customer Identity) alternatives?

We sort alternatives by match score first, then free-first when free options fit, then lower price. Paid placements (Starter/Featured/Spotlight) are labeled advertising and do not rewrite organic order. CheaperThan labels Estimated vs Verified prices, ranks by match score + price (free-first when they fit), and never invents user star reviews. See /trust/ and /methodology/.

Are the Auth0 (Okta Customer Identity) prices on this page accurate?

Auth0 (Okta Customer Identity) shows Estimated pricing (checked 2026-07-29). Approximate seed pricing — verify on vendor site Always verify on the official site before you buy or cancel. Transparency: /trust/ and /methodology/.

How do I switch from Auth0 (Okta Customer Identity) to a cheaper alternative?

1) Open the top pick Keycloak and run a real-file trial. 2) Export or migrate critical projects from Auth0 (Okta Customer Identity). 3) Compare feature gaps against your must-haves (match score is a guide, not a guarantee). 4) Cancel Auth0 (Okta Customer Identity) only after you confirm the workflow. Full process notes: /trust/ and /guides/.

How do I list my product as an Auth0 (Okta Customer Identity) alternative?

Use List your tool ($9–$49 via PayPal) for paid placement, or Submit for free moderation. Listings appear next to people searching free/cheaper alternatives to Auth0 (Okta Customer Identity). Contact: [email protected]

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