Introduction
Welcome to LanguageMaster ("we," "our," or "us"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application.
By using LanguageMaster, you agree to the collection and use of information in accordance with this policy.
Information We Collect
Personal Information
When you create an account, we collect:
- Email address
- Display name (defaults to "Anonymous" but can be changed by you)
- Password (encrypted and securely stored)
- Native language preference
- Target language preference
- Fluency level (beginner, intermediate, advanced)
- CEFR proficiency level (A1-C2)
Learning and Usage Data
To provide personalized language learning experiences, we collect:
- Practice session statistics (count, duration, timestamps)
- Learning streak information (current and longest streak)
- Performance metrics including:
- Accuracy scores
- Fluency scores
- Vocabulary scores
- Overall session scores
- Weekly progress snapshots
- Total practice time
Conversation Data
- Text content of your conversations with the AI tutor
- Conversation timestamps and session details
- Practice scenario selections (e.g., restaurant, airport, job interview)
Audio Data
- Voice recordings are temporarily collected when you practice speaking
- Recordings are stored temporarily on your device and our servers only for the purpose of transcription
- Audio files are NOT permanently stored and are automatically deleted within 7 days
- Audio is processed by Google Cloud Speech-to-Text for transcription purposes only
Technical Data
- Authentication tokens (for keeping you logged in)
- Device language preferences
- App version information
How We Use Your Information
We use the collected information to:
1. Provide Core Services:
- Enable AI-powered conversation practice
- Track your learning progress and performance
- Generate personalized AI tutor responses
- Convert your speech to text and generate AI voice responses
2. Improve User Experience:
- Calculate and display learning streaks
- Show performance metrics and progress over time
- Customize difficulty based on your proficiency level
3. Account Management:
- Authenticate and secure your account
- Manage your learning profile and preferences
4. Communication:
- Send important service updates
- Respond to your support requests
- Notify you about your account status
Third-Party Services
We share your data with the following third-party services to provide our app functionality:
Google Cloud Platform
- Services Used: Speech-to-Text and Text-to-Speech
- Data Shared: Voice recordings (temporarily) and text for voice synthesis
- Purpose: Convert your speech to text and generate AI tutor voice responses
- Privacy Policy: https://cloud.google.com/privacy
Database & Authentication Services
- Data Shared: All user data and application data
- Purpose: Secure database hosting and user authentication
Data Security
We implement industry-standard security measures to protect your data:
- Encryption: All data transmission uses HTTPS/TLS encryption
- Authentication: JWT token-based secure authentication
- Password Security: Passwords are encrypted and never stored in plain text
- Database Security: Row Level Security (RLS) policies ensure you can only access your own data
- Rate Limiting: Protection against abuse with request limits
Data Retention
- Account Data: Retained until you delete your account
- Conversation History: Stored indefinitely to track your progress
- Audio Recordings: Automatically deleted within 7 days (currently not permanently stored)
Your Rights and Choices
You have the right to:
- Access Your Data: View all personal data we have collected about you
- Update Your Information: Modify your profile, language preferences, and settings
- Delete Your Account: Request complete deletion of your account and associated data
- Opt-Out of Voice Features: Choose text-only practice if you prefer not to use voice features
- Export Your Data: Request a copy of your conversation history and learning data
To exercise any of these rights, please contact us at contact@artisphere.to.
Children's Privacy
LanguageMaster is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately, and we will delete such information.
International Data Transfers
Your data may be transferred to and processed in countries other than your country of residence. We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by:
- Updating the "Last Updated" date at the top of this policy
- Sending you an email notification for significant changes
- Displaying a notification in the app
Your continued use of LanguageMaster after changes are posted constitutes your acceptance of the updated Privacy Policy.
Data Breach Notification
In the event of a data breach that affects your personal information, we will notify you within 72 hours via email and through an in-app notification.
Do Not Sell My Personal Information
We do NOT sell, rent, or trade your personal information to third parties for their marketing purposes.
Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us at:
Email: contact@artisphere.to
App Support: https://artisphere.to
Summary of Data Collection
| Data Type |
Collected |
Purpose |
Shared With |
| Email & Name |
Yes |
Account creation, authentication |
Database Services |
| Language Preferences |
Yes |
Personalize learning experience |
Database Services |
| Conversation Text |
Yes |
AI tutor responses, progress tracking |
Database Services |
| Voice Recordings |
Temporary |
Speech-to-text conversion |
Google Cloud |
| Learning Metrics |
Yes |
Track progress, show statistics |
Database Services |
| Payment Information |
No |
N/A |
None |
| Location Data |
No |
N/A |
None |
| Device Identifiers |
No |
N/A |
None |
| Advertising Data |
No |
N/A |
None |
This Privacy Policy is effective as of November 15, 2025.