Developer tools
1 tool says it does the same job as Auth0 for less. Ranked by the savings each one claims, with a link to the source.
$25 vs $700/mo at 10k users
Clerk Pro is a flat $25 a month up to 50,000 monthly users. Auth0 B2C Essentials is about $700 a month at 10,000 users.
You keep: Sign-in, user management, prebuilt UI, MFA on paid plans.
You give up: Less suited to complex enterprise identity setups than Auth0.
Clerk claims the biggest savings: $25 vs $700/mo at 10k users, per its own pricing page. Check the link on its listing for current prices.
None of the current listings lead with a free plan. Several have low starting prices; see each listing.
Export your data first, test a small import into the new tool, run both for a week, then cancel before your renewal date. Our switching guide walks through it step by step. Read the guide.
Each claim comes from the company's own page, linked on every listing. Prices change, so check before you buy. Listings show when they were last checked.
Listings checked 2026-11-11. Sponsored listings are labeled and never change the ranking.