If you have any questions about this Privacy Policy, please contact us:
We collect only the information necessary to provide the DateCalc Pro service:
When you sign in with Google Sign-In, we collect your email address, display name, and profile picture URL from your Google account. This information is used solely for authentication and personalization (displaying your name and email in the app).
Date calculations you choose to save, including the dates, calculation type, and a name you assign. This data is stored in Firebase Firestore and linked to your account.
When you create groups to organize your calculations, we collect the group name and icon selection.
You may optionally enter your date of birth during onboarding. This is used to calculate your age and create a birthday countdown. You may delete this information at any time.
If you submit feedback through the app, we collect your name, email address, category, and message content. We use this information to respond to your inquiries and improve the app.
Your theme preference (light/dark/system) and onboarding completion status are stored locally on your device using SharedPreferences. This data never leaves your device.
DateCalc Pro displays advertisements served by Google AdMob. To serve and measure ads, Google's advertising SDKs may collect:
This data is processed by Google in accordance with Google's Privacy Policy (https://policies.google.com/privacy). You may opt out of personalized advertising at any time by adjusting your device's advertising preferences, and users in the EEA/UK will be shown a consent prompt before personalized ads are served. Where required, the app also provides a "Privacy Options" entry point in the app drawer to review and change your consent choices.
We use your information solely for:
Your data is stored securely in Firebase Cloud Firestore, hosted on Google Cloud Platform. Firebase implements industry-standard security including:
We do not sell, trade, or transfer your personal information to third parties.
Your data is shared only with Firebase (Google Cloud Platform) for the purpose of providing the app's functionality. Google's Privacy Policy applies to their handling of your data: https://firebase.google.com/support/privacy
We may disclose information if required to do so by law or in response to valid legal requests by public authorities.
We retain your data for as long as your account is active:
| Data Type | Retention Period |
|---|---|
| Account information | Until account deletion |
| Saved calculations and categories | Until you delete them or your account |
| Feedback submissions | Indefinitely (for reference and quality improvement) |
| Local preferences (theme, onboarding) | Until you clear app data or uninstall |
| Authentication tokens | Until you sign out |
If you are located in the European Economic Area, you have the right to:
To exercise any of these rights, contact us at support@private.cat.
If you are a California resident, you have the right to:
DateCalc Pro is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us so we can delete it.
The app uses the following third-party services:
| Service | Purpose | Privacy Policy |
|---|---|---|
| Google Sign-In | Authentication | https://policies.google.com/privacy |
| Firebase Authentication | User authentication | https://firebase.google.com/support/privacy |
| Cloud Firestore | Data storage and synchronization | https://firebase.google.com/support/privacy |
| Google AdMob | Advertising | https://policies.google.com/privacy |
| Google Fonts | Inter font family rendering | https://policies.google.com/privacy |
DateCalc Pro provides date calculations and countdowns for informational and entertainment purposes. Calculation results should not be relied upon for legal, medical, financial, or other critical timing applications. The app is provided "as is" without warranties of any kind.
We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the updated Privacy Policy in the app and updating the "Last updated" date. Your continued use of the app after changes constitutes your acceptance of the updated policy.
If you have any questions about this Privacy Policy or your data, please contact us at:
Email: support@private.cat