With Duolingo, a free language learning app, users can now learn the following languages for free: Spanish, French, German, Italian, Russian, Portuguese, Turkish, Dutch, Irish, Danish, Swedish, Ukrainian, Esperanto, Polish, Greek, Hungarian, Norwegian, Hebrew, Welsh, English. The application now offers two additional languages to learn; Swahili and Romanian.

While a user plays a game, he/she can improve his/her following foreign language skills.

• Speaking
• Reading
• Listening
• Writing

Duolingo helps the user to efficiently improve their vocabulary and grammar of a given language by answering simple questions and competing in various lessons. The T application introduces the user to the following basic language concepts.

• The verbs
• Phrases
• Phrases

Teaching new words every day

Some of the main comments and recommendations for the main critics of our days are the following.

• Editor's Choice Award for Google Play and the "Best of the Best" for 2013 and 2014 applications.
• Wall Street Journal; "To this day, this is the best and fastest learning app."
• TIME Magazine; "The secret to the future of education may rest in hands.
• PC Magazine; "Of all the language learning apps, none can beat .
• One of the easiest ways to learn the means of procrastination. The application's short lessons are easy to prepare and allow for a constant teaching method that makes the habit of reaching the next language level quite addictive.

Duolingo is changing the way we learn.

• It is absolutely and completely free.
• It makes language learning fun with its small lessons and its feature to track your achievements as you learn.
• 34 hours in Duolingo is actually equivalent to spending a semester in a college level course.

Cons:

• Duolingo often has massive lag issues that cause the screen to suddenly freeze and have response delays. This makes it unbearable to use at times.
• Excessive advertisements when the application is running.
• The pop-up notification appears when you do not respond to Duolingo reminders for a while.