Privacy Policy
Last updated: 2025-12-03
ARCmaster (“we”, “us”, “our”) provides a professional architectural and engineering calculation application.
This Privacy Policy explains what information ARCmaster collects, how it is used, and how it is protected.
1. Information We Collect
1.1 Automatically Collected Data
ARCmaster uses Firebase Analytics and Firebase Crashlytics to collect anonymous technical data, including:
- Device information (model, OS version)
- App version and performance metrics
- Anonymous usage statistics (feature usage, session duration)
- Crash logs and error reports
All collected data is anonymized and cannot identify you personally.
1.2 Locally Stored Data
The following information is stored only on your device:
- Your calculations and engineering project data
- Generated files (PDF, CAD, images)
- App settings and preferences
1.3 Data We Do Not Collect
ARCmaster does not collect or request:
- Personal Identifiable Information (name, email, phone, address)
- Location or GPS data
- Photos, camera, microphone, or media access
- Contacts or device files
- Financial or payment information
- Content of your calculations or project data
2. How We Use Information
- Improve app performance and user experience
- Identify crashes and technical issues
- Apply configuration updates using Firebase Remote Config
- Ensure app stability and security
We do not use your data for advertising or profiling.
3. Information Sharing
We do not sell, rent, or trade your information. Anonymous analytics data may be processed by:
- Google Firebase – Analytics, Crashlytics, Remote Config
Google’s Privacy Policy:
https://policies.google.com/privacy
4. Data Security
We apply the following security measures:
- All project data is stored locally on your device
- Analytics data is anonymized
- Communication with Firebase uses encrypted HTTPS/TLS
No cloud backend or remote server receives your project data.
5. Data Retention
- Local data: Kept until you delete files or uninstall the app
- Analytics data: Stored according to Firebase retention policy
6. Your Rights
Depending on your region (EU, US, etc.), you may have the right to:
- Access anonymous analytics data
- Request deletion of analytics data via Google’s privacy tools
- Disable analytics via device settings
Because ARCmaster does not collect personal data, most data rights requests do not apply.
7. Children's Privacy
ARCmaster is not intended for children under 13. We do not knowingly collect data from children.
8. Policy Changes
We may update this Privacy Policy to reflect improvements or legal requirements.
The latest version will always be available at this page.
9. Contact Us
If you have questions about this Privacy Policy, contact:
Email: arcmaster.app@gmail.com