Privacy Policy — Unlect
Effective Date: October 23, 2026 · Privacy-First Design (Zero Third-Party Ad Trackers)
Voice & Lecture Privacy Guarantee: Voice answers and lecture audio are transcribed transiently solely to generate your study pack or oral check. Voice audio is never processed for biometric identification and never used to train public AI models.
1. Data We Process
- Telegram account metadata provided by Telegram API: numeric
user_id, first name, and interface language code. - Your saved study packs, quiz progress, and optional exam reminder schedule in
/my. - Zero third-party analytics scripts, advertising pixels, or cross-site tracking cookies are loaded on our web pages.
2. Security & Retention
- Mini App access is cryptographically verified via Telegram
HMAC-SHA256signatures. - Temporary audio chunks used for speech-to-text transcription are deleted immediately after processing.
3. Data Deletion & Contact
You can mute notifications anytime via /settings or request complete erasure of your account and study packs via t.me/unlect_bot?start=support (fulfilled within 24 hours).