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DirectoryAuthClerk
Replacement brief

Clerk

Replaces managed authentication + user ui

Easy to self-hostAuth~$29/mo typical

Drop-in auth UI that bills per MAU. The convenience is real; so is the bill once you cross 10k users.

The verdict weighs direct cost against maintenance, reliability, migration risk, and founder time.

Verdict
easy
Straightforward swap
Estimated annual saving
$348
against the typical bill
Open-source options
3
reviewed alternatives
What founders here actually pay

List price is not the bill.

No founder on RealCost has published a Clerk cost line yet. When they do, the real bills appear here beside the list price — no estimates, no filler. Add your numbers.

01 / Deploy

Start with one command

A Teploy-style starting point for a small VPS. Review the generated configuration, then replace the example host and domain with your own.

teploy deploy --image better-auth --host hetzner --domain auth.example.com
Before you migrate

Price the operational work alongside the server bill. Best value if you'd otherwise ship no auth UI at all.