Privacy Policy

Effective Date: June 30, 2025

1. Introduction

This Privacy Policy explains how we collect, use, and share information when you use our app, Echo.

2. Data We Collect

We may collect the following types of data:

• Contact Info: such as your email address or Apple ID, used for login and support
• App Usage Data: saved phrases, progress tracking, interaction logs
• Device Info: basic technical info (e.g., app version, OS) used for debugging and performance improvement

3. How We Use Your Data

We use your data to:

• Provide core app functionality
• Track learning progress and personalize your experience
• Handle subscription and account management
• Improve app stability and user support

4. Third-Party Services

We use the following services:

• OpenAI – to generate language suggestions and responses
• MongoDB Atlas – for secure cloud data storage
• RevenueCat – to manage subscriptions and in-app purchases