The curriculum is arranged linearly as a timeline with tests interspersed in between

It quizzes you with audio and visual questions to make you understand and to increase recall

Add friends to compete with. You can search by name or find them from facebook

During login, it asks for your age, name, email and password

Asks you to select a daily goal and then notification permissions

Achievement leveled up modal

You can join language clubs to practice with other learners

Bottom sheet for wrong answer

Duolingo Plus lets you download lessons offline and removes ad. You can start with a 7 day trial

Scrolling between tabs in Following

Class landing page

Homepage once you start using the app and have a few rooms

Menu screen with sticker sets