
Description: Duo Mobile is a user-friendly two-factor authentication app that provides an extra layer of security when logging into accounts. It works by generating one-time codes on the user's smartphone that they enter along with their password when accessing important services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Microsoft Authenticator is a multi-factor authentication app that provides an extra layer of security when signing in to Microsoft accounts. It generates verification codes needed during the sign-in process.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API