This privacy policy applies to the HEi BUDDii Mobile Application (the "Application") operated by Yijie He (the "Service Provider"). This Application is provided as a free service, on an “AS IS” and “AS AVAILABLE” basis.

This Privacy Policy explains how we collects, uses, and protects your information when you use the Application.

1. Scope & Eligibility

The application is intended for use only by individuals ages 18 and above. We do not knowingly collect personal data from minors under 18.

1. Information Collection and Use

We collects information when you download and use it. This types of information collected include:

• Account Data: Email address, password, username, display nickname
• Profile Data: Age, gender, avatar, personal hobbies
• Usage Data: In-app browsing records, message history, call records, group membership information
• Device Data: IP address, device operating system, FCM push token, online status
• Location Data: Anonymized location data for activity matching and nearby feature recommendations
• User Media: Photos and videos actively uploaded by you within the Appliaction.

1. How We Use Your Information

We only use collected data to provide maintain, and optimize our core services:

• User account authentication and secure login
• User matching, social coordination and offline activity organization
• In-app messaging and voice call function support
• Push notification delivery and in-app service updates
• Personalized content recommendation and product experience optimization
• Anonymized data analysis for service improvement