Privacy Policy

Effective date: April 3, 2026

1. Introduction

Welcome to Gold Portfolio ("we", "our", or "us").

This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our application.

By using the app, you agree to this Privacy Policy.

---

2. Information We Collect

a. Authentication Data

We use Firebase Authentication to allow:

• Anonymous login
• Google Sign-In
• Apple Sign-In

Depending on your method, we may collect:

• Firebase User ID (UID)
• Email address
• Display name
• Profile image

---

b. User Data

We collect and store data you create, including:

• Portfolio holdings and transactions
• Price alerts and preferences
• App settings

---

c. Usage & Analytics Data

We collect analytics data to improve the app, such as:

• App usage events
• Screens visited
• Session duration
• Device type, OS version

---

3. How We Use Information

We use your data to:

• Provide authentication and account management
• Store and sync your portfolio and alerts
• Send push notifications (price alerts, updates)
• Improve app performance and features
• Deliver and optimize advertisements

---

5. Third-Party Services

We use third-party services including:

• Firebase (Authentication, Firestore, Analytics)
• RevenueCat (Subscription management)
• Ad networks (Google AdMob)

---

8. Your Rights

You have rights to:

• Access your data
• Correct your data
• Delete your account and data

Contact: contact@tuehoang.com

---

13. Contact Us

Email: contact@tuehoang.com