Service scope
Yujie is a badminton tracking and post-match review tool for Apple Watch and iPhone users. It is not a medical service, automatic officiating system, or professional tactical judging product.
Terms
Terms of Service
These terms describe Yujie's service scope, conditions of use, and responsibility boundaries in direct language.
Usage requirements
You are responsible for using Yujie on supported Apple platforms and for the safety of your own devices, account access, and exported data.
Feature boundaries
Yujie aims to provide stable tracking and review, but it does not guarantee zero error across every environment, device state, or network condition.
Updates and contact
If these terms change, the updated version will be published on the website or inside the product. Continued use after that generally means you accept the updated terms.