Last Updated: September 1, 2025

App Name: Stock Swing

Developer: Jinglin Zhang

1. Information We Collect

1.1 Types of Information Collected

Stock Swing collects the following types of information:

App Usage Data (via App Store Analytics):

• App launch and close times
• Feature usage frequency
• Crash reports and performance data
• Device type and operating system version

Locally Stored Data:

• Language preferences (Chinese/English)
• Theme settings (Dark/Light mode)
• App configuration and feature flags
• Cache data (stock information, IV data, etc.)

Network Request Data:

• Requests to Tencent Finance API for stock data
• Request timing, frequency, and response status

1.2 Information We Do Not Collect