# Vẹt Học Nói (Parrotech Mobile)

> Vẹt Học Nói (Parrotech) is a 100% free, AI-powered English conversational fluency platform featuring real-time speech shadowing, 1-on-1 AI Voice Calls with native tutors, and 4-criteria radar scorecards.

## Overview

Vẹt Học Nói (Parrotech) eliminates financial and psychological barriers to speaking English fluently. The platform is completely free forever with no credit cards, no subscriptions, and guest access without sign-up.

- Website: [https://parrotech.lingova.vn](https://parrotech.lingova.vn)
- iOS App Store: [https://apps.apple.com/app/id6794817550](https://apps.apple.com/app/id6794817550)
- Google Play Store: [https://play.google.com/store/apps/details?id=vn.lingova.parrotech](https://play.google.com/store/apps/details?id=vn.lingova.parrotech)

## Core Capabilities & Features

- [AI Speech Shadowing](https://parrotech.lingova.vn/#features): Real-time acoustic waveform matching that compares your voice with native speakers at the phoneme level.
- [AI Voice Call 1-on-1](https://parrotech.lingova.vn/#voice-call): Ultra-low latency (<400ms) full-duplex conversations with native AI tutors (US, Canadian accents) and live contextual suggestion prompts.
- [4-Criteria Radar Assessment](https://parrotech.lingova.vn/#voice-call): Detailed scorecards evaluating Fluency, Grammar, Vocabulary, and Pronunciation after each session.
- [50+ Authentic Roleplay Scenarios](https://parrotech.lingova.vn/news?article=50-practical-topics-global-tutors): Situational practice for job interviews, airport logistics, dining, business meetings, and IELTS speaking.
- [Authentic News & 1-Tap Dictionary](https://parrotech.lingova.vn/news?article=spaced-repetition-vocabulary): Integrated curated articles from BBC, The Guardian with instant IPA lookups and Spaced Repetition flashcards.

## Documentation & Updates

- [News & Insights](https://parrotech.lingova.vn/news): Official release notes, feature updates, and scientific pronunciation guides.
- [Support & FAQ](https://parrotech.lingova.vn/support): Common questions, troubleshooting, and contact channels.
- [Privacy Policy](https://parrotech.lingova.vn/privacy): Data privacy commitments and anonymous Hardware UUID architecture.
- [Terms of Service](https://parrotech.lingova.vn/terms): Platform terms and conditions.