Compare Auth0 and Clerk free tiers side by side. Pricing, limits, change history, and risk assessment for developers.

Auth0 vs Clerk

Side-by-side free tier comparison. Catalogue dates here run to 2026-09-19.

28 other auth options →

Verdict

Both Auth0 and Clerk offer free tiers. Auth0 provides "Free" while Clerk offers "Hobby".

A verdict here is not a fixed property of the vendor. A one-off pricing event demotes a vendor while its recorded date falls in the last 180 days and then lapses on its own, with nothing about the vendor having changed; a standing condition — a free tier withdrawn, a product retired — does not lapse with time. A badge carrying a date states the record it rests on; a badge with no date rests on no record in force.

Auth0

Riskstable
CategoryAuth
TierFree
Verified2026-08-15
Last read2026-09-17
Changes1 recorded
Identity platform — 25K MAU (B2C), unlimited logins, social + database connections, Universal Login, 1 Enterprise Connection, 5 Organizations, 1 Custom Domain. No credit card required

Clerk

Riskstable
CategoryAuth
TierHobby
Verified2026-09-19
Last read2026-09-19
Changes0 recorded
Drop-in auth with 50K monthly retained users free, unlimited apps

Pricing Change History

Auth0

increased effective 2025-11-01 high impact
Auth0 increased free tier from 7,500 to 25,000 monthly active users. Largest free tier expansion since Okta acquisition. Makes Auth0 competitive with Clerk and Firebase Auth on free tier Source ↗

Clerk

No recorded pricing changes for Clerk.

Watch Both Vendors for Pricing Changes

We do not push notifications. Every change we record is readable the moment it lands, and the JSON answer carries an ETag — send it back as If-None-Match and an unchanged answer costs one 304.

curl https://agentdeals.dev/api/changes?vendor=Auth0 curl https://agentdeals.dev/pricing-changes/feed.xml?vendor=Auth0 curl https://agentdeals.dev/api/changes?vendor=Clerk curl https://agentdeals.dev/pricing-changes/feed.xml?vendor=Clerk

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