BlinkBack: Reel & Short Limiter - Privacy Policy

Privacy Policy - BlinkBack

BlinkBack: Reel & Short Limiter — Privacy Policy

Effective Date: September 15, 2026  |  Publisher: DevNova Technology  |  Contact: devnova.support@gmail.com

1. Introduction & Core Philosophy

DevNova Technology ("we", "our", "us") built BlinkBack: Reel & Short Limiter ("Application", "Service") as a digital wellbeing tool to help users reclaim their attention span by monitoring, alerting, and limiting excessive short-form video scrolling across social media platforms.

BlinkBack operates under a strict Local-First Privacy Architecture:

  • All scroll detection and gesture analysis happens 100% locally on your physical device.
  • We never sell, rent, monetize, or transmit your browsing habits, messages, or screen interactions.
  • We do not employ third-party behavioral analytics or advertising tracking SDKs.

2. Prominent Disclosure: Android Accessibility Service (BIND_ACCESSIBILITY_SERVICE)

In strict adherence to the Google Play Developer Policy on Accessibility APIs:

A. Purpose of Use: BlinkBack uses the AccessibilityService API strictly to detect vertical scroll gestures, swipe frequencies, and navigation events within user-monitored short-form video applications (specifically Instagram Reels, YouTube Shorts, Facebook Reels, Snapchat Spotlight, and regional short-video feeds).

B. How it Works: It computes scroll frequency to calculate real-time daily session limits and render warning overlays when preset thresholds are reached.

C. Privacy Guarantees:

  • NO Keystroke Logging: The service does NOT read, record, or store passwords, text inputs, search queries, or banking credentials.
  • NO Content Inspection: The service does NOT read your private messages, captions, comments, profiles, or video titles.
  • NO Screen Capture: The service does NOT record video, audio, camera, or screenshots.
  • 100% Local: All gesture detections run strictly in volatile memory and save aggregated counts only to an embedded local database on your device. Zero accessibility data is transmitted to external servers.

D. User Control: You can disable or revoke Accessibility permissions at any time via Android Settings → Accessibility → BlinkBack.

3. System Overlay Permission (SYSTEM_ALERT_WINDOW)

BlinkBack requests the "Display over other apps" permission to render:

  1. A compact floating counter bubble displaying your live reel count over active video apps.
  2. Visual breach alert overlays (color transition from Gold → Amber → Strained).
  3. Full-screen limit intervention sheets when your daily digital limit is exhausted.

4. Personal Information We Collect

We collect minimal personal information only when you voluntarily opt into online features:

Social Battle Mode (Optional):

  • Email Address: Collected exclusively to send a secure 6-digit One-Time Password (OTP) for passwordless authentication. We do not use passwords.
  • Display Name: An optional alias chosen by you for display on private lobby leaderboards.
  • Aggregated Battle Score: Your daily reel scroll count during an active battle lobby, shared only with participants in your private lobby.

5. Information We NEVER Collect

  • Zero Financial Data: No payment card or bank account information is ever collected.
  • Zero Location Data: We do not request GPS or IP-based geolocation.
  • Zero Contacts & Media: We never access your phonebook, photos, media storage, or microphone.
  • Zero Biometrics: We never access fingerprint or facial recognition hardware.

6. Data Storage & Security

  • Local Database: Daily scroll logs, focus streaks, and per-app stats are stored locally on your device in an embedded Isar database.
  • Secure Token Storage: Authentication tokens (JWT) are stored in encrypted form using hardware-backed Android Keystore storage.
  • Network Encryption: All backend API interactions (OTP dispatch, lobby syncing) utilize HTTPS with TLS 1.3 encryption.

7. Data Retention & Account Deletion Policy

In compliance with Google Play's Account Deletion mandate:

  • Local Data Reset: Go to Settings → Reset All Data to permanently erase all local logs, streaks, and statistics.
  • Remote Account Deletion: If you registered for Battle Mode, you can delete your account in-app via Account → Delete Account, or by emailing devnova.support@gmail.com with the subject "Delete BlinkBack Account". Remote records are permanently purged within 24 hours.

8. Children's Privacy

BlinkBack is intended for general audiences aged 13 and older. We do not knowingly solicit or collect personal information from children under 13.

9. Contact Us

For any privacy-related questions or data deletion requests:

DevNova Technology
Email: devnova.support@gmail.com

Privacy Policy

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