About
This educational tool helps users search for CKC codes and learn Chinese characters. It explains the appearance-based coding system, which encodes characters based on the stroke features of their four corners.
What's New in CKC OCR
2.7.1
May 22, 2025
- iOS18 bug fixes
User reviews
Developer apps
FAQ
What is CKC OCR?
CKC OCR is an educational tool developed by The Education University of Hong Kong to help users search for CKC codes and learn Chinese characters. It utilizes an appearance-based coding system that encodes characters by the stroke features of their four corners.
How does the CKC coding system work?
The CKC Chinese Input method encodes a Chinese character based on the stroke features of its four corners, following an upper-left, upper-right, lower-left, lower-right sequence. Strokes and character components are classified into 10 groups, represented by numbers 0 through 9.
What kind of information can I find in CKC OCR?
When you search for a Chinese character, CKC OCR will display all possible CKC code combinations, including codes for variant Chinese characters and instant codes. For example, searching for '為' shows codes like 000, 3, 34, and 3400.
Is CKC OCR suitable for beginners?
Yes, CKC OCR is designed to facilitate learning Chinese characters and understanding the CKC code system. It breaks down the coding logic by stroke features, making it accessible for those new to the system.
What devices does CKC OCR support?
CKC OCR is available for iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users.
How often is CKC OCR updated?
The latest version of CKC OCR is 2.7.1, and it was last updated on May 22, 2025. This indicates a recent update, suggesting ongoing development and support.
What is the age rating for CKC OCR?
CKC OCR has an age rating of 4+, making it suitable for a broad audience including younger learners and children.
Does CKC OCR have ads?
No, CKC OCR does not contain advertisements. The app is free to use without any ad interruptions.




