Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
andOTP - andOTP is a two-factor authentication App for Android 4.4+
Busuu - Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.