Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Habit List - Create good habits and break bad ones with the app that keeps you focused.
andOTP - andOTP is a two-factor authentication App for Android 4.4+
Momentum - Agile goal and performance management
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.
Streaks - The to-do list that helps you form good habits.