Privacy Policy

1. Accessibility Service Usage

Yigly Checker uses the Android Accessibility Service to provide intelligent writing assistance across all applications on your device.

1.1 What Data We Collect

• Text Content: When you explicitly use our service, we read text from the active text field you are typing in
• Screen Context: We identify the active text field to provide context-aware suggestions
• User Account: Your email address (required for service authentication via Firebase)

1.2 What We DO NOT Collect

• We do NOT collect passwords or credit card information
• We do NOT access your photos, videos, or files
• We do NOT read your notifications or messages without your explicit action
• We do NOT track your location or device information beyond what's necessary for the service
• We do NOT sell your data to third parties
• We do NOT use your data for advertising purposes

1.3 How Your Data is Processed

Text that you explicitly select for enhancement is:

1. Encrypted using industry-standard SSL/TLS encryption
2. Transmitted to our secure AI servers (Google Gemini API)
3. Processed to generate grammar corrections, tone adjustments, or translations
4. Returned as suggestions to you
5. Not stored on our servers after processing

2. Data Retention

• Processed Text: NOT stored on our servers after processing is complete
• User Account: Stored securely in Firebase Authentication
• Documents: If you choose to save documents, they are stored in your personal user account in Firebase Firestore
• User Preferences: Language, theme, and settings are stored locally on your device

3. Data Security

We implement multiple layers of security to protect your information:

• Encryption: All data is encrypted in transit using SSL/TLS
• Secure Storage: User credentials are encrypted using AndroidX Security Crypto
• Authentication: Firebase Authentication with secure token management
• API Security: Secure API endpoints with token-based authentication

4. Third-Party Services

We use the following third-party services:

• Firebase (Google): Authentication, Firestore database, Analytics, Cloud Messaging
• Google Gemini API: AI-powered text processing for grammar and translation

These services have their own privacy policies and data handling practices. We ensure they comply with applicable data protection laws.

5. Your Rights and Choices

You have the right to:

• Disable Accessibility Service: You can disable our accessibility service at any time in your device settings
• Delete Your Account: You can request deletion of your account and all associated data
• Export Your Data: You can request a copy of your data
• Opt-Out of Analytics: You can disable analytics in app settings

6. Children's Privacy

Yigly Checker is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

7. Changes to This Privacy Policy

We may update this privacy policy from time to time. We will notify you of any changes by:

• Posting the new privacy policy on this page
• Updating the "Last Updated" date at the top of this policy
• Sending you an in-app notification for significant changes

8. Your Consent

By using Yigly Checker, you acknowledge that you have read, understood, and agree to this privacy policy, including our use of the Accessibility Service and AI-powered text processing.

10. Legal Basis for Processing (GDPR)

For users in the European Union, we process your data based on:

• Contractual Necessity: To provide the writing assistance services you've requested
• Consent: Your explicit consent when enabling the accessibility service
• Legitimate Interest: To improve our services and prevent abuse