Privacy Policy

Last updated: March 30, 2026

            Summary: Metal Pro Calculator does not collect, store, or share any personal data. All data
            stays on your device.
        

1. Introduction

This Privacy Policy explains how Metal Pro Calculator ("the App"), developed by Melik Yildirim ("we", "us", "our"), handles information when you use our mobile application. We are committed to protecting your privacy.

2. Information We Collect

We do not collect any personal information. The App operates entirely offline and does not require:

Account registration or login
Personal identification information (name, email, phone, etc.)
Location data
Device identifiers
Usage analytics or tracking

3. Data Stored Locally on Your Device

The App stores the following data only on your device for functionality purposes:

App Preferences: Theme mode, language selection, default unit system, and default material settings (via SharedPreferences).
Calculation History: Your past calculations and favorites (via local Hive database).

This data is never transmitted to any server, third party, or external service. It remains entirely on your device and can be cleared at any time through the app settings.

4. Third-Party Services

The App does not integrate any third-party services such as:

Analytics tools (Google Analytics, Firebase, etc.)
Advertising networks
Crash reporting services
Social media SDKs

5. Internet Permission

The App does not require an internet connection to function. All calculations are performed locally on your device.

6. Children's Privacy

The App does not collect any personal information from anyone, including children under the age of 13. The App is safe for use by all ages.

7. Data Sharing

We do not sell, trade, or transfer any user data to third parties. Since we do not collect any data, there is nothing to share.

8. Data Security

All app data is stored locally on your device using the device's built-in storage mechanisms. The security of this data is managed by your device's operating system.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be reflected on this page with an updated "Last updated" date. We encourage you to review this page periodically.

10. Contact Us

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

Email: melikyildirimdev@gmail.com

Developer: Melik Yildirim