Privacy Policy

1. Introduction

Welcome to Solar Calculator ("we", "our", "us"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application.

2. Information We Collect

We collect information that you provide directly to us:

• Location Data: We may access your device's location to provide solar calculations based on your geographic position. This is only accessed with your explicit permission.
• Usage Data: We collect information about your appliance configurations, system preferences, and calculation results to provide and improve our services.
• Device Information: We may collect information about your mobile device, including device type, operating system, and unique device identifiers.
• Custom Settings: Panel wattages, battery capacities, pricing information, and other preferences you configure in the app.

3. How We Use Your Information

We use the collected information for the following purposes:

• To provide solar system calculations and recommendations
• To save your preferences and settings
• To improve app functionality and user experience
• To provide customer support
• To send important updates about the app
• To analyze usage patterns and optimize performance

4. Location Data

Location permissions are used solely for:

• Calculating solar metrics based on your geographic location
• Providing accurate peak sun hours for your area
• Determining optimal solar panel angles
• Calculating sunrise and sunset times

Location data is NOT:

• Shared with third parties
• Used for tracking your movements
• Stored on remote servers
• Used for advertising purposes

5. Data Storage

All your data is stored locally on your device:

• Appliance configurations
• System preferences
• Custom pricing
• Calculation results
• Location data

We do NOT store your data on remote servers or cloud storage unless you explicitly use backup features (if available).

6. Data Sharing

We do NOT sell, trade, or otherwise transfer your personal information to third parties. Your data remains private and secure on your device.

We may share information only in the following circumstances:

• With your explicit consent
• To comply with legal obligations
• To protect our rights and safety

7. Data Security

We implement appropriate security measures to protect your information:

• Local data encryption
• Secure data transmission
• Regular security updates
• No unauthorized third-party access

However, no method of electronic storage is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.

8. Your Rights

You have the right to:

• Access your personal data
• Correct inaccurate data
• Delete your data (via "Clear All Data" in Settings)
• Withdraw location permissions at any time
• Export your data (via PDF reports)

9. 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.

10. Third-Party Services

Our app uses the following third-party services:

• OpenStreetMap: For map display (no personal data shared)
• Device Location Services: For GPS functionality

These services may have their own privacy policies. We recommend reviewing them.

11. Changes to Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by updating the "Last Updated" date. Continued use of the app after changes constitutes acceptance of the updated policy.

12. International Users

This app is designed for global use. By using the app, you consent to the transfer and processing of your information in accordance with this Privacy Policy, regardless of your country of residence.