Privacy Policy

Last updated: 4 July 2025

1. Introduction

Welcome to Coin Rush ("App", "we", "our", "us"), operated by Hunan Yihe Shijian Network Technology Co., Ltd. This Privacy Policy explains how we collect, use, disclose, and protect your information when you use Coin Rush. By installing or using the App, you agree to the practices described here.

2. Information We Collect

• Device & Technical Data: IP address, Android Advertising ID (AD_ID), device model, OS version, screen size, language, network/Wi-Fi status, coarse location, phone state.
• Usage Data: Quiz questions viewed, answers chosen, scores, session length, in-app events, crash logs.
• Files / Storage: Read/write external storage (≤ Android 29/32).
• Notifications & Vibration: POST_NOTIFICATIONS, VIBRATE.
• Account Info: Google Account login (ID token, email address as needed for authentication only).

3. How We Use Your Information

1. Operate and maintain the App's quiz features, leader-boards, and Google-based login system.
2. Display contextual and interest-based advertisements.
3. Analyse performance, detect fraud, and fix bugs.
4. Comply with legal obligations and platform policies.

4. Legal Bases (GDPR – EU/EEA)

• Contractual necessity: core quiz and login features.
• Legitimate interests: analytics, fraud prevention, basic ads.
• Consent: personalised advertising (via Android ad settings).

5. Third-Party SDKs & Data Sharing

We integrate advertising/analytics SDKs from: Audience Network, AdMob, Pangle, InMobi, Mintegral, Vungle. These may access device and usage data to serve ads.

6. Permissions Explained

• Network Access: INTERNET, ACCESS_NETWORK_STATE, ACCESS_WIFI_STATE: connect to servers & load ads.
• Phone State: READ_PHONE_STATE: fraud control and ad frequency management.
• Storage Access: READ/WRITE_EXTERNAL_STORAGE: cache media; not used to access personal photos.
• Location: ACCESS_COARSE_LOCATION: localised ads (not precise GPS).
• Notifications: POST_NOTIFICATIONS, VIBRATE: optional reminders and haptic feedback.

7. Data Retention

Data is retained for up to 24 months or as required by law.

8. Your Rights

EU/EEA: GDPR rights. California: CCPA/CPRA. Indonesia: PDP Law rights. Contact: support@yiheshijian.com

9. Security

SSL encryption, secure environments, and strict access controls are implemented.

10. International Transfers

Data may be processed outside your country. We use contractual safeguards.

11. Children's Privacy

This App is intended for users 18+. We do not knowingly collect data from minors.

12. Policy Updates

We may update this policy. Continued use signifies acceptance.

13. Contact Us

Company: Hunan Yihe Shijian Network Technology Co., Ltd.

Email: support@yiheshijian.com