You earn crystals as you complete lessons. You can buy more from the Shop tab

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

Achievement leveled up modal

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

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

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

Bottom sheet for wrong answer

You can join language clubs to practice with other learners

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

Book tickets and checkout

Upgrade to earn more Sweatcoins

Profile and settings

Checkout tickets