Privacy Policy

Multi-Calculator

Last Updated:

This Privacy Policy describes how Multi-Calculator ("we", "our", or "the app") collects, uses, and protects your information when you use our Android application.

1. Information We Collect

1.1 Information Collected by the App

Multi-Calculator itself does not collect, store, or transmit any personally identifiable information such as:

Your name, address, or email address
Phone numbers or contact information
Location data
Personal identification documents
Payment information

All calculations and data processing are performed locally on your device. We do not have access to your calculation history, input data, or any other information you enter into the app.

1.2 Information Collected by Third-Party Services

Our app uses the following third-party services that may collect certain information:

Firebase Analytics

We use Firebase Analytics to understand how users interact with our app and to improve the user experience. Firebase Analytics collects:

App usage events: Screen views, button clicks, feature usage patterns
Device information: Device model, Android version, screen size, language settings
Performance metrics: App startup time, crash-free user statistics

Important: Firebase Analytics does not collect personally identifiable information. All data is anonymized and aggregated. You can learn more about Firebase Analytics privacy practices at: https://firebase.google.com/support/privacy

Firebase Crashlytics

We use Firebase Crashlytics to automatically detect and report app crashes and errors. This helps us identify and fix bugs to improve app stability. Crashlytics may collect:

Device information: Device model, Android version, OS version, device manufacturer
App state: Information about the app's state at the time of a crash
Error information: Stack traces, error messages, and crash logs

Important: Crashlytics does not collect personally identifiable information. Crash reports are used solely for debugging and improving app quality. You can learn more about Firebase Crashlytics at: https://firebase.google.com/support/privacy

All data collected by Firebase services is handled in accordance with Google's Privacy Policy. For more information, please visit: https://policies.google.com/privacy

Important: We do not operate our own servers to store personal data. Any data processed by Firebase is subject to Google's data retention and security practices.

2. Permissions Requested by the App

Our app requests the following permissions to provide its functionality:

Permission	Purpose
`android.permission.VIBRATE`	Used to provide haptic feedback when you interact with buttons and controls, enhancing the user experience.
`android.permission.INTERNET`	Required to fetch real-time exchange rate data from the European Central Bank (ECB) API for the currency exchange feature. This permission is only used for this specific purpose. Exchange rate requests are not linked to individual users and are not stored by us.

Note: The app only requests permissions that are necessary for its core functionality. You can revoke most permissions through your device's settings at any time, though this may affect certain features.

3. How We Use Your Information

We use the information collected by third-party services for the following purposes:

To improve app performance and stability
To identify and fix bugs and crashes
To understand user behavior and improve user experience
To analyze app usage patterns and feature adoption

4. Data Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. The only data sharing occurs through:

Firebase Services: Data collected by Firebase Analytics and Crashlytics is processed by Google in accordance with their privacy policies.
Legal Requirements: We may disclose information if required by law or in response to valid legal requests.

5. Data Security

We are committed to protecting your information. Since our app processes all data locally on your device and does not store personal information on our servers, your calculation data remains private and secure on your device.

6. Children's Privacy

Our app is not directed to 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 so we can delete such information.

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 and updating the "Last Updated" date. You are advised to review this Privacy Policy periodically for any changes.

8. Your Rights

You have the right to:

Access information about what data is collected (if any)
Request deletion of collected data
Opt-out of data collection through Firebase Analytics (via device settings or Firebase configuration)
Uninstall the app at any time, which will stop all data collection

9. Contact Us

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

Email: doesantalya@outlook.com

10. Consent

By using Multi-Calculator, you consent to this Privacy Policy. If you do not agree with this policy, please do not use our app.