When you finish one lesson in a deck, it unlocks the next one

Flash card experience. Quizzes you in different ways to reinforce it in your memory

Automatic login with duolingo. Setting up profile

Home page includes Favorites, People you follow and Trending decks

Profile and settings

Each deck has tabs for Lessons, Cards and Quiz

Create a deck of flashcards. Upload images or search the web

Splash screen

Search experience

Background color has changed as I've progressed

Add a pin to a board, and creating a board

Pre login onboarding

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