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

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

Gamification badges and progress

Achievement leveled up modal

Profile and settings

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

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

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

Daily streak touchpoint on homepage

Fine tuning transitions, pop up for out of sessions

Animated modals post-checkin, coins and badge gamification

Daily check in from home page