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

Duolingo
Learn Spanish, French and more
You earn crystals as you complete lessons. You can buy more from the Shop tab
More interactions from‏‏‎ ‎
Duolingo
Asks you to select a daily goal and then notification permissions
The curriculum is arranged linearly as a timeline with tests interspersed in between
There are posts by other learners and mini "games" that help you test your skills
Bottom sheet for wrong answer
Profile and settings
You can tap the country flag on top to add more languages and switch between them
Add friends to compete with. You can search by name or find them from facebook
You have 5 lives. When you run out you can wait, practice, or refill by spending crystals