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Cards are revealed at your chosen time each day. You can change this in Profile → Card Reveal Time. Until that hour arrives, you'll see a "still resting" message.

Go to Profile and tap the Study Language card. You can choose Korean, Swedish, or English. Your cards and grammar notes will update immediately.

Some days bring rare shimmering cards with unique gradient designs. There are seven palettes and four rarity tiers. They appear randomly — keep collecting to find them all.

Cards are only available from your start date onward. This makes each card feel earned — it's part of the collectible experience.

All data is stored locally on your device. You can export your data anytime from Profile → Data & Privacy → Export Data. Cloud sync is planned for a future update.

Yes. The first 30 days of content are bundled with the app. After that, the app fetches new content when connected, but continues to work offline with cached cards.