FactorCat: MFA Authenticator
MFA that gets out of your way.
About
This app streamlines multi-factor authentication by replacing manual code entry with a single tap approval via push notification. It offers secure, encrypted storage of your authentication secrets and supports two vault types for flexible recovery and enhanced security.
What's New in FactorCat
1.0.3
August 3, 2026
Auto-fill improvements: factors added on your phone now pick up their website automatically, and site matching is more precise.
Subscription plans
FactorCat Pro
Unlimited factors, vaults, and full history.
Developer apps
FAQ
What is FactorCat?
FactorCat is a modern authenticator app that simplifies multi-factor authentication by allowing you to approve login requests with a single tap on your phone. It integrates with a browser extension to automatically fill in codes, eliminating the need to manually copy and paste.
How does FactorCat enhance security?
Your Time-based One-Time Password (TOTP) secrets are stored on your device and encrypted, protected by biometrics. FactorCat separates MFA secrets from passwords by design, preventing a single point of failure for your online identity.
What are the two vault types in FactorCat?
FactorCat offers a Cloud Vault for cloud-managed keys and easy recovery, ideal for getting started or low-risk accounts. It also provides a Locked Vault with zero-trust encryption where you hold the keys, offering enhanced security for sensitive accounts.
Is FactorCat free to use?
Yes, FactorCat is free to use and does not contain ads or tracking. The app offers optional subscription plans, FactorCat Supporter and FactorCat Pro, for enhanced features and support.
Does FactorCat have ads?
No, FactorCat is ad-free. The description explicitly states 'No ads. No tracking.' ensuring an uninterrupted user experience.
What devices does FactorCat support?
FactorCat is available for iPhone, iPad, and iPod. It is designed to work seamlessly across Apple's mobile ecosystem.
How often is FactorCat updated?
The latest version of FactorCat was released on August 3, 2026, indicating active development and regular updates. The app is currently at version 1.0.3.
Can FactorCat be used without the browser extension?
Yes, FactorCat can function as a regular authenticator app without requiring an account or the browser extension. You can pair it with the extension anytime you wish to use the auto-fill feature.