Glincker replaced Auth0

Now: kavachOS (self-hosted), running 6 months

$5,124net saved per year, after running costs

Auth0 bill was $427/mo for 12,000 MAUs on a side project. Migrated to self-hosted kavachOS on Cloudflare Workers in about 30 minutes of setup (plus migration fixes). Library $0/mo; Neon and Resend already paid (~$7).

Receipt #01672026-04-18

Glincker

Old billAuth0: ~~$427~~
NowkavachOS (self-hosted): $0

Net saved per month$427/mo

Thank you for not renewing

Source

dev.to

Numbers as reported. How this ledger works

Timeline

Replaced2026-04-18

Embed

<a href="https://replacemrr.com/s/glincker-replaced-auth0"><img src="https://replacemrr.com/badge/glincker-replaced-auth0.svg" alt="Replaced MRR on replacemrr"></a>

Others who left Auth0

#	Company	Net saved /mo
1	Zach Silveira~~Auth0~~ replaced with In-house magic-link and OAuth auth	$3,000/mofor 14 months

Everyone who replaced Auth0

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