Privacy Policy for DCalc: Discount Tax Calculator

1. Introduction

Welcome to DCalc: Discount Tax Calculator. This Privacy Policy explains how we collect, use, and protect your information when you use our mobile application and web calculator.

2. Information We Collect

2.1 Information You Provide

• App Usage Data: Calculations, discount percentages, tax rates, and other data you input
• Settings Preferences: Theme preferences (dark/light mode), language selections
• Custom Values: Any custom discount or tax percentages you enter

2.2 Information We Don't Collect

• Personal Information: We do not collect names, emails, phone numbers, or addresses
• Location Data: We do not access your device location
• Contact Information: We do not access your contacts or messages
• Camera/Microphone: We do not access your device camera or microphone

3. How We Use Your Information

3.1 App Functionality

• Calculations: To perform discount and tax calculations
• Preferences: To remember your theme and language settings
• Performance: To improve app functionality and user experience

3.2 Data Storage

• Local Storage: All data is stored locally on your device
• No Cloud Storage: We do not upload or store your data on external servers
• No Sharing: We do not share your data with third parties

4. Data Security

4.1 Local Security

• Device Storage: All data remains on your device
• No Internet Transmission: We do not send your data over the internet
• Secure Storage: Data is stored using secure Android storage methods

4.2 No External Access

• No Backend Servers: We do not have servers that could be compromised
• No Database: We do not maintain external databases of user data
• No Analytics: We do not track your usage patterns

5. Third-Party Services

5.1 Google Play Services

• Play Store: For app distribution and updates
• No Additional Services: We do not use other Google services

5.2 Advertising

• No Ads: Our app does not display advertisements
• No Tracking: We do not use advertising tracking technologies

6. Children's Privacy

6.1 Age Restrictions

• No Age Verification: We do not collect age information
• Educational Use: Our app is suitable for all ages
• Parental Guidance: Parents should supervise children's use of financial calculators

7. Data Retention

7.1 Local Data

• Stored Locally: Data remains on your device until you uninstall the app
• No Deletion: We cannot delete your data as it's stored locally
• User Control: You can clear app data through your device settings

8. Your Rights

8.1 Access and Control

• View Data: All your data is visible within the app
• Modify Data: You can change or delete any data you've entered
• Export Data: You can view all calculations and settings in the app

8.2 Data Deletion

• Uninstall: Remove the app to delete all local data
• Clear Data: Use device settings to clear app data
• No Recovery: Once deleted, data cannot be recovered

9. Changes to This Policy

9.1 Policy Updates

• Notification: We will notify you of any changes through app updates
• Review: Please review this policy periodically
• Acceptance: Continued use of the app constitutes acceptance of changes

10. Contact Information

10.1 Questions and Concerns

If you have any questions about this Privacy Policy, please contact us:

• App: Through the app's settings or feedback section
• Play Store: Through the Google Play Store review system
• Website: Through our website contact form

11. Legal Information

11.1 Jurisdiction

• Applicable Law: This policy is governed by applicable privacy laws
• Disputes: Any disputes will be resolved through appropriate legal channels

11.2 Compliance

• GDPR: We comply with applicable data protection regulations
• COPPA: We do not knowingly collect information from children under 13
• Local Laws: We comply with privacy laws in your jurisdiction