cnDB
Chinese Learning Made Simple
Free · In‑App Purchases
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/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Tobias Palzer, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- User Content
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Tobias Palzer
- Size
- 142.1 MB
- Category
- Education
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Messaging and Chat
- In-App Purchases
Yes
- 4400 Audio Credits $17.99
- 150 Audio Credits $0.99
- 1000 Audio Credits $3.99
- cnDB Pro $3.99
- Copyright
- © 2025 zkSoftware