Introduction

MyShelf ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application MyShelf – Digital Library (the "App").

Please read this privacy policy carefully. If you do not agree with the terms of this privacy policy, please do not access the application.

Information We Collect

Personal Information

We may collect personal information that you voluntarily provide when you register for an account, use the App's features, or contact us for support. This may include:

• Name: Your display name
• Email Address: For account creation and communication
• Profile Picture: Optional avatar image
• Reading Data: Books you add, reading progress, notes, and reviews

Automatically Collected Information

When you use the App, we automatically collect certain information:

• Device Information: Device type, operating system, unique device identifiers
• Usage Data: App features used, time spent, interactions
• Log Data: IP address, access times, app crashes, and errors

Third-Party Data Collection

Our App uses third-party services that may collect information:

• Google AdMob: For displaying advertisements
• Supabase: For backend services and data storage
• Google Books API: For book information lookup
• Open Library API: For book information lookup

How We Use Your Information

• Provide Services: Create and manage your account, store your reading data
• Improve App: Understand usage patterns and improve features
• Communication: Send updates, notifications, and respond to inquiries
• Advertising: Display relevant advertisements through Google AdMob
• Security: Detect, prevent, and address technical issues and fraud
• Analytics: Analyze app performance and user behavior

Data Storage and Security

Data Storage

• Your data is stored securely using Supabase cloud infrastructure
• Reading data is encrypted using AES-256 encryption
• We implement industry-standard security measures to protect your information

Data Retention

• Active Accounts: Data is retained as long as your account is active
• Deleted Accounts: Data is permanently deleted within 30 days of account deletion
• Security Logs: Retained for 90 days for security purposes

Third-Party Services

Google AdMob

We use Google AdMob to display advertisements. AdMob may collect device information, ad interaction data, and location data (if permitted).

For more information: Google AdMob Privacy Policy

Supabase

We use Supabase for backend services. Supabase may collect account information, usage data, and technical data.

For more information: Supabase Privacy Policy

Google Books API & Open Library API

We use these services to fetch book information. These services may collect search queries and API usage data.

Your Rights and Choices

Access and Update

You can access and update your personal information through the App's settings.

Delete Account

You can request deletion of your MyShelf account and associated app data at any time through our Account Deletion Request page. You can also contact us at the email address below. Once verified, deletion requests are normally completed within 30 days.

Opt-Out of Advertising

You can opt-out of personalized advertising:

• Android: Settings → Google → Ads → Opt out of Ads Personalization
• iOS: Settings → Privacy → Advertising → Limit Ad Tracking

Data Portability

You can request a copy of your data by contacting us at the email below.

Children's Privacy

Our App is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.

International Data Transfers

Your information may be transferred to and maintained on servers located outside of your country. By using the App, you consent to the transfer of information to countries outside your country of residence.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you by posting the new Privacy Policy in the App, updating the "Last Updated" date, and sending a notification for significant changes.

Your continued use of the App after changes constitutes acceptance of the updated policy.

Legal Compliance

This Privacy Policy complies with:

• General Data Protection Regulation (GDPR)
• California Consumer Privacy Act (CCPA)
• Google Play Store policies
• Apple App Store policies

Contact Us