First lesson complete. It shows your learning minutes and asks you to create a profile

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

Profile and settings

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

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

You can join language clubs to practice with other learners

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

Asks you to select a daily goal and then notification permissions

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

One a day page with loading indicator

Left menu, navigating by month

If you hit close before completing, a prompt takes you to tutorials

Listen to native speakers say words, answer simple questions