Privacy Policy
Last updated: October 2026 · VANTRA by Axchiper
VANTRA ("we", "our", "us") is a private messaging application developed by Axchiper. This Privacy Policy explains how we collect, use, store, and protect your information when you use the VANTRA Android application.
By using VANTRA, you agree to the practices described in this policy.
1. Information We Collect
Account Information
- Google account name and email address (used for authentication only)
- Profile display name, @username, and profile photo (set by you)
- Phone number (optional — for contact discovery only, never stored on our servers)
Messages & Media
- Text messages, voice notes, images, and videos sent within the app
- Stored encrypted in Firebase Firestore and Firebase Storage
- Protected with AES-256 end-to-end encryption before storage
Usage Data
- Online/offline status and last seen timestamps
- Message delivery and read receipts
- Mood/status updates you choose to share publicly
2. App Permissions & Why We Need Them
| Permission | Purpose |
|---|
| 📷 Camera | Take photos/videos to send in chats; scan QR codes to add contacts |
| 🎤 Record Audio | Record voice messages; make voice and video calls |
| 🖼️ Storage / Media | Read and send photos, videos, and files from your device gallery |
| 📞 Read Contacts | Find friends on VANTRA by phone number — matched locally, never uploaded to our servers |
| 📱 Phone State / Number | Auto-detect your phone number for optional contact verification |
| 📍 Location (Fine & Coarse) | Share your location in a chat message — only when you explicitly choose to |
| 🔔 Post Notifications | Deliver message and incoming call notifications (Android 13+) |
| 🔵 Bluetooth | Route call audio to Bluetooth headsets during voice/video calls |
| ⚡ Foreground Service | Keep ongoing calls alive when app is in the background |
| 🌐 Internet / Network State | Connect to Firebase services for messaging and real-time calls |
| 🔋 Battery Optimization Exemption | Ensure reliable delivery of call notifications in all app states |
| 📲 System Alert Window | Display incoming call screen over other apps |
3. How We Use Your Data
- To create and maintain your VANTRA account
- To deliver messages, media files, and real-time calls between users
- To enable contact discovery — phone numbers matched locally on device, not stored on our servers
- To send push notifications for new messages and incoming calls via Firebase Cloud Messaging
- To display your mood/status to contacts you interact with
- To deliver relevant in-app advertisements and measure ad performance via Google AdMob
- We do not sell, rent, or share your personal data with third-party advertisers
- We do not use your message content for advertising or profiling
4. Data Storage & Security
- All data is stored on Google Firebase (Firestore, Firebase Storage, Firebase Auth) — hosted on Google Cloud servers
- Messages are end-to-end encrypted with AES-256 before being stored
- Media files stored in Firebase Storage — access restricted to conversation participants only
- We retain your data for as long as your account is active
- Deleting your account permanently removes all associated data, messages, and media
5. Third-Party Services
- Google Firebase — Authentication, Firestore database, Storage, Cloud Messaging (FCM)
- Google Sign-In — Account authentication only. We do not access your Google data beyond basic profile info
- LiveKit — Real-time voice and video calling infrastructure. Call audio is not stored
- Google Gemini AI — Optional AI assistant features. No personal messages are sent to Gemini without explicit user action
- Google AdMob — Display advertisements within the app. AdMob may collect device identifiers (such as Advertising ID), coarse location, and usage statistics to deliver personalized and contextual ads. See Google Privacy Policy ↗
Each third-party service operates under its own privacy policy. See Google Privacy Policy ↗
6. Children's Privacy
VANTRA is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided personal information through VANTRA, please contact us immediately at supportvatnraaxchiper@gmail.com and we will delete it promptly.
7. Your Rights & Choices
- Access: View and edit your profile and data within the app at any time
- Delete: Go to Settings → Account → Delete Account to permanently remove all your data
- Revoke permissions: Android Settings → Apps → VANTRA → Permissions — revoke any permission at any time
- Location: Location data is never collected in the background — only when you explicitly tap "Share Location" in a chat
- Notifications: Disable notification permissions in Android Settings at any time
8. Data Retention
We retain your account data, messages, and media for as long as your account remains active. If you delete your account, all data is permanently deleted within 30 days. Backup data in Firebase may take up to 30 days to be fully purged from backup storage.
9. Changes to This Policy
We may update this Privacy Policy from time to time. When we make significant changes, we will notify you through the app or via email. The "Last updated" date at the top of this page reflects the most recent revision. Continued use of VANTRA after changes constitutes acceptance of the updated policy.
10. Contact Us