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

Bottom sheet for wrong answer

The splash screen is the logo on a green background

Asks you to select a daily goal and then notification permissions

Achievement leveled up modal

You have 5 lives. When you run out you can wait, practice, or refill by spending crystals

Profile and settings

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

Daily goal completed

Gamification badges and progress

In app purchase to read more

Animated modals post-checkin, coins and badge gamification