cnDB

LEARN VOCABULARY FROM THE BOOKS YOU LOVE

Create personalized flashcard decks based on the books you want to read. Focus on the words that matter most by prioritizing high-frequency vocabulary that aligns with your interests.

ACHIEVE LONG-TERM RESULTS

Strengthen your memory with an effective Spaced-Repetition System (SRS). Each flashcard includes example sentences taken directly from your favorite stories, along with clear audio recordings to help you master pronunciation.

READ AND LEARN IN ONE PLACE

Read your books directly inside the app with instant pinyin annotations, integrated word lookups, and seamless flashcard creation. Test your understanding with built-in quizzes that adapt to the content you’re reading.

SHARE YOUR DECKS

Create, customize, and share flashcard decks with learners around the world to study together and discover new content.

FEATURE overview

• Flashcard system with SRS, book sample sentences, and audio generation
• Flashcard deck creation based on books and word lists
• Deck sharing with the community
• Integrated reader with quiz function
• AI-powered graded reader generation
• Learning statistics
• Cloud backups

Find out more at: cndb.app For questions, please contact support@cndb.app Have fun learning!

EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/