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

You can tap the country flag on top to add more languages and switch between them
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
Asks you to select a daily goal and then notification permissions
The curriculum is arranged linearly as a timeline with tests interspersed in between
Achievement leveled up modal
You can join language clubs to practice with other learners
The splash screen is the logo on a green background

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