Developer & Data Controller Information
PolyNet is operated by Hasan Mahmud (Founder & CEO, CST Engineer), under technology parent holding Omini (Dhaka, Bangladesh). For any privacy inquiries, data deletion requests, or compliance concerns, contact: hasanmahmud.cst@gmail.com.
1. Information We Collect (Google Play Data Safety)
PolyNet collects specific identifiers solely to verify student status and enable academic social interactions:
- Personal Identifiers: Name, Email Address, Profile Avatar picture, and optional Bio.
- Academic Credentials: BTEB Board Roll Number (for Student verification) or Temis ID (for Teacher verification), Polytechnic Name, Department/Technology (across official 26 technologies), and Semester Session.
- User-Generated Content (UGC): Posts, stories, PDF notes, comments, 1-click emoji reactions, voice audio notes, student marketplace gigs (PolyGig), bookstore items (PolyStore), Reels videos, and direct messenger text messages.
- Device Tokens & Diagnostics: FCM (Firebase Cloud Messaging) Registration Token used strictly to deliver real-time notifications with audio alerts when peers message, comment, or react.
2. Device Permissions Required & Purpose
In strict accordance with Google Play Store permission guidelines, PolyNet asks for device permissions only when required by active user features:
Used solely to upload profile avatars, story pictures, PDF study notes, and lab assignment photos.
Used solely to record voice notes in chat and participate in WebRTC audio/video study calls.
Used strictly to deliver push notifications for chat messages, course announcements, and friend requests.
3. Third-Party Services & Storage Security
PolyNet utilizes trusted cloud infrastructure with SSL/TLS encryption in transit and at rest:
- Google Cloud & Firebase Database: Encrypted storage for authenticated profiles, posts, chats, and notification records.
- Firebase Cloud Messaging (FCM): Real-time push notification delivery for mobile and web.
- Google Play Billing / Escrow: Secure and compliant transaction processing for marketplace activities.
4. User Safety & Content Moderation (UGC Policy)
PolyNet maintains zero tolerance for abusive behavior, hate speech, harassment, fake academic rolls, or inappropriate media. Built-in moderation tools allow users to report inappropriate posts or block abusive profiles instantly with real-time moderator review.
5. Children's Privacy (COPPA Compliance)
PolyNet is intended for polytechnic and vocational engineering students aged 13 and above. We do not knowingly collect personal data from children under 13 years old.
6. Data Retention & Account Deletion
Users have complete control over their personal data. To permanently delete your account and all associated data, you can either:
- Use the Delete Account button inside the PolyNet app under Profile > Settings > Account Security.
- Or email our Data Protection team at hasanmahmud.cst@gmail.com with your registered email and Polytechnic Roll Number. All personal data will be purged within 7 business days.