Circle Access Mobile

Your Smartphone is Your Log-in

Frictionless, totally secure, credential-free, continuous authentication with biometric identity verification.

Say goodbye to 2FA and codes. Just scan and enter.

Circle Access Mobile eliminates phishing and other breaches caused by stolen or lost credentials by binding authentication to the end user's smartphone, which has been cryptographically authorized.   All user data and the encryption key is securely stored on the device.  Circle's servers only keep the encrypted data - with no keys.

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Try the demo

Credential-Free Codeless 2FA
2FA made simple

Optimize your app for user experience and privacy, lower user friction and speed up the registration, login and auth factors.

Simple integration, literally in minutes.

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Circle Access Mobile
No More Phishing

No More Phishing
Protect Yourself and Your Users

Phishing is the fraudulent attempt to obtain sensitive information or data by impersonating oneself as a trustworthy entity in digital communication. We ended it. No data entered, no phishing. All your data is securely stored on the device only, our servers only keep the encrypted data.

Continuous Biometric Authentication
Know the User 

Cryptographic authorization combined witn continuous biometric authentication ensure your smartphone is YOU.
Leverages biometric data provided by the device to maintain user authentication throughout the session. Once the biometric signals are no longer properly received by the platform, the user is logged out, minimizing the risk of fraud.

Get Started

Deploy Circle Access Mobile with your application in minutes.  Try the demo with step-by-step guidance to get you started, and then go to our documentation.
async function checkCircleServiceIsRunning() {
  let isRunning = await Circle.isServiceRunning();
  if (isRunning) {
    document.getElementById('runningResult').innerText = 'CircleService is running!';
  } else {
    document.getElementById('runningResult').innerText = 'Can not find CircleService!';

(function() {


Getting Started with Circle Access Mobile
Interactive Demo
You can test everything from Logins, Codeless 2FA, Credential-less Authentication. All in our interactive online demo.
Use our documentation  to integrate Circle Access  APIs to power frictionless, cryptographic credential-free authentication.

Learning and  Resources

Many of the most important decisions around implementing an authentication UX are up to you.  The Circle Access Primer can help.

Or go to our Github to access modules, and SDKs to integrated with your mobile applications.
Circle Access Primer
Learn about the different ways you can implement Circle Access and how it works
Modules for Wordpress, Passport, WikiJS are available and more to come.
Troubleshooting & Diagnostics
Check our FAQs and Troubleshooting tips, or post on our Forum