# Privacy Policy for Ensi - English Learning App

Last updated: November 9, 2025

## Overview

Ensi ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our English learning mobile application.

## Information We Collect

### 1. Personal Information

- Email address: Used for account creation and login
- Name: Used to personalize your learning experience
- User ID: Automatically generated for account management

### 2. Audio Recordings

Important: Audio recordings for pronunciation practice are processed locally on your device. We do not store or transmit your voice recordings to our servers.

- Microphone Access: We request microphone permission to enable speech-to-text features for pronunciation practice
- Audio Processing: Audio is processed on-device for speech recognition
- Purpose: To help you practice English pronunciation and improve speaking skills

### 3. Usage Data

- Lesson Progress: We track which lessons you've completed to show your progress
- Quiz Results: We store your quiz scores to help you track improvement
- Learning Statistics: Time spent on lessons, completion rates

### 4. Subscription Information

- Purchase History: We store subscription status (free, pro, vip) to provide appropriate content access
- Payment Processing: Handled securely by Apple App Store and Google Play; we do not store payment card information

## How We Use Your Information

We use the collected information to:

### 1. Provide Educational Services

- Deliver personalized English lessons
- Track your learning progress
- Enable pronunciation practice features

### 2. Improve Our Service

- Analyze usage patterns to improve content
- Fix bugs and technical issues
- Develop new features

### 3. Manage Subscriptions

- Verify subscription status
- Unlock premium content for subscribers
- Process subscription renewals and cancellations

## Permissions We Request

### Required Permissions

- Internet Access (`android.permission.INTERNET`)
  - Purpose: Download lessons, sync progress, verify subscriptions
  - Required: Yes
- Microphone (`android.permission.RECORD_AUDIO`)
  - Purpose: Speech-to-text for pronunciation practice
  - Required: No (only for pronunciation features)
  - You can deny this permission and still use other app features

### Optional Permissions

- Bluetooth (`android.permission.BLUETOOTH`)
  - Purpose: Support Bluetooth audio devices
  - Required: No

## Data Storage and Security

- Local Storage: Lesson progress and preferences are stored on your device
- Cloud Storage: Email, name, and learning statistics are stored on our secure servers
- Encryption: All data transmission uses HTTPS encryption
- Third-party Access: We do not sell or share your personal information with third parties

## Audio Recording Privacy

- Audio recordings for pronunciation practice are processed locally on your device
- We use on-device speech recognition (Google/Apple speech APIs)
- Voice recordings are not uploaded to our servers
- Audio data is not stored permanently
- Temporary audio is deleted immediately after processing

## Third-Party Services

We use the following third-party services:

- Apple App Store / Google Play: For subscription processing
- Google Cloud Services: For backend infrastructure
- Speech Recognition APIs: Apple Speech Framework (iOS) and Google Speech-to-Text (Android)

## Your Rights

You have the right to:

- Access Your Data: Request a copy of your personal information
- Delete Your Data: Request deletion of your account and all associated data
- Modify Your Data: Update your email, name, or other profile information
- Opt-out: Disable optional features like pronunciation practice
- Data Portability: Export your learning progress and statistics

## Contact Us

If you have questions about this Privacy Policy or your data:

- Email: privacy@ensi.lk
- Website: https://www.ensi.lk
- Support: support@ensi.lk

## Consent

By using the Ensi app, you consent to this Privacy Policy and agree to its terms.