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Privacy Policy

Last Updated: October 30, 2025

1. Introduction

Welcome to AiEnglish ("we," "our," or "us"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application AiEnglish (the "App"). Please read this Privacy Policy carefully.

By using our App, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide Directly

  • Conversation Content: Text and voice conversations you have with our AI for language learning purposes. Conversation content is stored locally on your device and processed by OpenAI to power AI features. We do not store or access your conversations on our servers.
  • User Preferences: Learning goals, language preferences, and app settings
  • Account Information: If you create an account, we may collect your email address and basic profile information
  • Feedback: Any feedback, reviews, or support requests you submit
  • Safety Preferences: Your content safety settings and filtering preferences

2.2 Information Collected Automatically

  • Usage Data: How you interact with the App, features used, time spent learning, progress tracking
  • Device Information: Device type, operating system version, unique device identifiers
  • Performance Data: App crashes, errors, and performance metrics to improve the App
  • Analytics Data: Anonymous usage statistics to understand how users engage with our features
  • Content Safety Analytics: Aggregated analytics events (without conversation content) for safety system monitoring

2.3 Audio Data

  • Voice Recordings: When you use speech features, we temporarily process your voice to provide real-time feedback
  • Speech Recognition: We use Apple's speech recognition services to transcribe your speech for language learning

3. How We Use Your Information

We use the collected information to:

3.1 Core App Functionality

  • Provide AI-powered language learning conversations
  • Generate personalized feedback on your language skills
  • Track your learning progress and achievements
  • Create custom learning scenarios based on your needs
  • Monitor usage patterns to enforce fair use policies and prevent abuse

3.2 Service Improvement

  • Analyze usage patterns to improve our AI models
  • Enhance app performance and user experience
  • Develop new features and learning content
  • Conduct research to advance language learning technology

3.3 Communication

  • Send you important updates about the App
  • Provide customer support when requested
  • Send learning reminders and motivational content (with your consent)

3.4 Legal and Safety

  • Comply with legal obligations
  • Protect against fraud and abuse
  • Enforce our Terms of Use
  • Monitor and filter inappropriate content using real-time AI-powered safety systems
  • Maintain a safe learning environment for all users using advanced AI technology
  • Provide transparent AI-powered content safety decisions through automatic filtering

4. Information Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. We may share your information in the following limited circumstances:

4.1 Service Providers

  • OpenAI: We use OpenAI's services to power our AI conversations. Your conversation content is processed by OpenAI to generate responses and feedback. Conversations are not stored on our servers and are not accessible to us as developers.
  • Firebase (Google): We use Firebase for analytics, crash reporting, and app performance monitoring. Only aggregated analytics events (without conversation content) are sent to Firebase.
  • Apple: We use Apple's services for speech recognition, app distribution, and payment processing.

4.2 Legal Requirements

We may disclose your information if required by law or to:

  • Comply with legal processes
  • Protect our rights and property
  • Prevent fraud or abuse
  • Protect user safety

4.3 Business Transfers

In the event of a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction.

5. Data Security

We implement appropriate technical and organizational measures to protect your information:

  • Encryption: Data is encrypted in transit and at rest
  • Access Controls: Limited access to personal information on a need-to-know basis
  • Regular Audits: We regularly review our security practices
  • Secure Infrastructure: We use industry-standard cloud services with robust security

6. Data Retention

  • Conversation Data: Stored locally on your device only to provide learning history and progress tracking; not stored on our servers
  • Analytics Data: Retained for up to 3 years for service improvement
  • Account Information: Retained until you delete your account or request deletion
  • Audio Data: Processed in real-time and not permanently stored
  • Content Safety Data: AI analysis is performed in real-time via OpenAI Moderation API and results are immediately discarded. No conversation content or moderation decisions are stored. Only aggregated analytics events (without any conversation content) are sent to Firebase for service improvement

7. Your Rights and Choices

7.1 Access and Control

  • View Your Data: You can access your conversation history and progress data within the App
  • Delete Your Data: You can delete your account and associated data through the App settings
  • Export Your Data: You can request a copy of your data by contacting us

7.2 Privacy Settings

  • Analytics: You can opt out of analytics data collection in the App settings
  • Notifications: You can control push notifications in your device settings
  • Microphone Access: You can revoke microphone access in your device settings

7.3 Regional Rights

If you are in the EU, UK, or California, you have additional rights:

  • Right to Rectification: Correct inaccurate personal information
  • Right to Erasure: Request deletion of your personal information
  • Right to Portability: Receive your data in a structured format
  • Right to Object: Object to certain processing of your information

8. Content Safety and Moderation

8.1 AI-Powered Content Filtering

We use OpenAI's Moderation API to analyze and filter content to maintain a safe learning environment:

  • Real-time AI Analysis: All conversations are analyzed in real-time using OpenAI's Moderation API
  • OpenAI Moderation API: We use OpenAI's sophisticated moderation system for accurate content analysis
  • No Content Storage: Content is analyzed and immediately discarded—we don't store conversation content on our servers
  • No Moderation Records: We don't keep records of moderation actions or decisions
  • Content Categories: We only block content related to violence and adult material. All other content (politics, religion, medical, financial, self-harm, illegal activities, etc.) is allowed to support comprehensive language learning
  • AI Confidence Scoring: Content analysis includes confidence levels for transparency
  • Minimal Blocking: Only violence and adult content are blocked by default, allowing meaningful real-world conversations
  • User Control: You can enable/disable content safety and customize which categories to block
  • Educational Content: Educational content is always allowed to support learning objectives
  • No Keyword Lists: We use advanced AI analysis instead of simple keyword matching
  • Automatic Filtering: All content filtering is automatic—there is no user reporting system

8.2 Analytics and Data Sharing

  • Aggregated Analytics Only: We send only aggregated analytics events (without any conversation content) to Firebase for service improvement
  • No Content in Analytics: Analytics events contain no conversation text or user content
  • Firebase Integration: Firebase receives only usage metrics, crash reports, and aggregated safety event counts—never conversation content

9. Cookies and Similar Technologies

We do not use cookies or similar tracking technologies on our website or within the App. Specifically:

  • No cookies (first or third party) are set or read by our pages.
  • No web beacons, tracking pixels, fingerprinting, or advertising SDKs are used.
  • No analytics that store identifiers in cookies, localStorage, or sessionStorage are used on the website.
  • We do not permit third parties to set cookies through our pages.

Our hosting provider may generate basic server logs (e.g., IP address, user agent, time, and requested URL) solely for security and operational purposes. These logs are not used for cross-site tracking or targeted advertising.

If our use of cookies or similar technologies changes in the future, we will update this Privacy Policy and, where required by law (e.g., in the EU/UK), obtain your consent before such technologies are set.

10. International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place for such transfers, including:

  • Standard contractual clauses
  • Adequacy decisions by relevant authorities
  • Other appropriate legal mechanisms

11. Third-Party Services

Our App integrates with third-party services:

11.1 OpenAI

  • Purpose: AI conversation processing and content safety analysis
  • Data Shared: Conversation content for processing and safety filtering
  • Privacy Policy: OpenAI Privacy Policy

11.2 Firebase (Google)

  • Purpose: Analytics, crash reporting, and aggregated safety metrics
  • Data Shared: Usage analytics, crash reports, and aggregated safety event counts (no conversation content)
  • Privacy Policy: Google Privacy Policy
  • Important: We never send conversation content or user messages to Firebase—only aggregated analytics events without any text content

11.3 Apple

  • Purpose: App distribution, speech recognition, payments
  • Data Shared: Device information, payment data, speech data
  • Privacy Policy: Apple Privacy Policy

12. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by:

  • Posting the new Privacy Policy in the App
  • Sending you an email notification (if you have provided an email)
  • Updating the "Last Updated" date

Your continued use of the App after changes constitutes acceptance of the updated policy.

13. Contact Us

If you have any questions about this Privacy Policy or our privacy practices, please contact us at:

Email: support@aienglishapp.com
Address: Practice Edu LTD, 128 City Road, London, EC1V 2NX, United Kingdom
Website: https://aienglishapp.com

You can also contact our Data Protection Officer at: privacy@aienglishapp.com

This Privacy Policy is effective as of October 30, 2025 and was last updated on October 30, 2025.