Simple OTP Alternatives

Allow your users to sign-in without a password or OTPs

One-click phone number login and checkout

User onboarding made easy, for less. Create product walkthroughs in a couple of clicks, without breaking the bank.

Try for free paid Free Trial $129.0 / Monthly (Onboarding Guides & Checklists, Integrations, In-app Surveys)

Allow users to login without passwords

paid Free Trial $17.0 / Monthly

Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage your users.

Application and Data, Application Utilities, and User Management and Authentication

An easy and secure passwordless add-on for your website

Auth0 is a program for people to get authentication and authorization services for their own business use.

Open Source

Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.

Open Source

Vault Vision's passwordless login technology powered by authentication software and hardware devices enables easier identity management for IT admins and seamless security for end users.

World-class out of the box Passwordless Multi-Factor Authentication (MFA) Anywhere technology, built specifically for developers and Fraud Ops teams. Implementation in hours, protection for a lifetime.

freemium $0.05 / Monthly (Only Pay For Active Users)

Share your accounts without giving out your password 🤫

Open Source User Authentication - An Alternative to Auth0 / Firebase Auth / AWS Cognito

Open Source freemium

Biometric authentication at your fingertips.

Open Source