You can tap the country flag on top to add more languages and switch between them

You can join language clubs to practice with other learners

Bottom sheet for wrong answer

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

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

Gamification badges and progress

Achievement leveled up modal

The onboarding asks you select a language and pick a daily learning goal

There are posts by other learners and mini "games" that help you test your skills

Swipe up interaction on homepage

Share public address and QR code

Apply filters to list

Burn points for cashback