QCM App Privacy Policy

Effective Date: July 13, 2026

QCM app ("QCM", "we", "our", or "us") respects your privacy and is committed to protecting your personal information. This Privacy Policy explains how information is collected, used, stored, and protected when you use the QCM mobile application and related services.

Information We Collect

Depending on the features you use, QCM app may collect:

• Name, email address, phone number, or login information.
• Firebase user identifiers and authentication information.
• Device identifiers used for login sessions, security, anti-abuse protection, and device-limit systems.
• Student verification information, including uploaded verification images or documents if submitted.
• Feedback, support requests, screenshots, or images you voluntarily upload.
• Ambassador Program application information you voluntarily submit, including your name, university, major, study year, Gmail address, phone number, and whether you use Telegram.
• Diagnostic, crash, and performance information used to improve app stability and reliability.
• Push notification tokens used for important app notifications and updates.

Local Storage

QCM app may store downloaded questions, images, exam history, preferences, and offline study content locally on your device to improve loading speed, offline access, and app performance.

How We Use Information

We use collected information to:

• Create and manage user accounts.
• Authenticate users and maintain account security.
• Provide study features, practice questions, referrals, student verification, and support services.
• Synchronize study content and updates related to your selected major or account.
• Review feedback and reported issues to improve app quality and reliability.
• Review Ambassador Program applications and contact applicants about participation.
• Send important account or app-related notifications.
• Prevent abuse, unauthorized access, fraud, or harmful activity.

Third-Party Services

QCM app uses trusted third-party services to operate and improve the app, including:

• Firebase Authentication
• Firebase Firestore
• Firebase Storage
• Firebase Cloud Messaging
• Firebase Crashlytics
• Google Sign-In
• Sentry

These services may process limited information necessary to provide authentication, notifications, storage, synchronization, crash reporting, analytics, and diagnostics.

Tracking and Advertising

QCM app does not sell personal information and does not use personal information to track users across third-party apps or websites for advertising purposes.

QCM app currently does not display third-party advertisements.

Data Sharing

We do not share personal information except:

• When necessary to operate app services
• To comply with legal obligations
• To protect users, accounts, or the service
• With trusted service providers supporting app functionality
• With your consent

Data Retention

We retain information only as long as necessary to:

• Provide app functionality
• Maintain account and support records
• Resolve technical or support issues
• Meet legal obligations
• Protect app security and integrity

Your Rights and Choices

You may:

• Request access to your personal information
• Request correction of inaccurate information
• Request deletion of your account and associated data
• Disable notifications through device settings

Some app features may not function properly if certain information is not provided.

Account Deletion

You may request deletion of your account and associated data by contacting:

Email: appqcm@gmail.com

We may retain limited information where required by law, security, fraud prevention, or legitimate operational purposes.

Children's Privacy

QCM app is an education and quiz application intended primarily for students and adult learners.

We do not knowingly collect personal information from children without appropriate consent. If you believe a child has provided personal information improperly, please contact us.

Security

We use reasonable technical and organizational measures to protect information stored by the app and related services. However, no system or internet transmission is completely secure.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Updated versions will be posted with a revised effective date.

Contact Us

If you have questions, requests, or concerns regarding this Privacy Policy, contact:

QCM Support
Email: appqcm@gmail.com