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●BIOAUTH SDK — Face or fingerprint login and biometric agent approval. Migrate from Clerk in an afternoon. Request access now.●FREE up to 50,000 Monthly Returning Users (MRU) per app. No minimums.●MCR, proprietary account recovery, with no per-recovery fee.●BIOMETRICS stay on the device. We don't store faces. Launching January 2027.●Soft launch November 17. Get Early Access now.●BIOAUTH SDK — Face or fingerprint login and biometric agent approval. Migrate from Clerk in an afternoon. Request access now.●FREE up to 50,000 Monthly Returning Users (MRU) per app. No minimums.●MCR, proprietary account recovery, with no per-recovery fee.●BIOMETRICS stay on the device. We don't store faces. Launching January 2027.●Soft launch November 17. Get Early Access now.
Skip to tools

01FREE TOOLS

Try it before you build.

Free, and they run in your browser. No sign-up, no API key.

Free Cost Calculators →

02OUR FREE TOOLS

Free Tools

Is your device ready?

Check whether this phone or laptop supports face or fingerprint sign-in.

Runs in this browser only. Nothing is sent anywhere and nothing is stored.

Clerk vs. BioAuth cost calculator

Enter your monthly users and see the price on each.

BioAuth / month$1,400.00

Clerk / month$1,400.00

BioAuth is free up to 50,000 MRU per app, then $0.02 each. Clerk's published free tier is 50,000 MRU per app (checked 2026-10-12). Enter your own Clerk rate for a like-for-like compare. Estimates, not quotes.

Webhook signature checker

Paste a test message and see whether it's correctly signed.

Runs entirely in your browser (Web Crypto). Nothing is sent anywhere.

What do legacy passwords cost you?

Estimate the support time your team spends on resets.

Estimated monthly reset cost$6,000.00

1,500 resets/month × 8 min = 200 support hours. With face or fingerprint sign-in there's far less to reset. Estimate, not a quote.

Ready to build?

Read the docs →See pricing →