Privacy Policy for lunalingo.com
Last Updated: April 6, 2025
This Privacy Policy describes how lunalingo.com ("we," "our," or "us") collects, uses, and discloses your information when you use our service.
Information We Collect
1. Account Information
When you sign up using Google OAuth, we collect:
- Your email address
- Your name
- Profile information that you've made publicly available on Google
2. Usage Data
Our application stores your learning preferences and progress data (such as saved unknown words and language preferences) locally on your device using localStorage. This data remains on your device and is not transmitted to or stored on our servers.
3. Technical Information
We automatically collect certain technical information when you use our service, including:
- IP address
- Browser type
- Device information
- Log data
How We Use Your Information
We use the information we collect to:
- Create and manage your account
- Provide, maintain, and improve our services
- Respond to your comments, questions, and requests
- Send you technical notices, updates, and administrative messages
- Monitor and analyze trends, usage, and activities in connection with our services
- Monitor usage patterns and enforce rate limits to ensure service stability and prevent abuse
Data Storage and Security
Your account information is stored securely in our database. We implement appropriate technical and organizational measures to protect your personal information against unauthorized or unlawful processing, accidental loss, destruction, or damage.
Data Sharing and Disclosure
We do not sell, trade, or otherwise transfer your personally identifiable information to third parties. This does not include trusted third parties who assist us in operating our website, conducting our business, or servicing you, so long as those parties agree to keep this information confidential.
We may disclose your information:
- In response to a legal request if we believe disclosure is in accordance with, or required by, any applicable law or legal process
- To protect the rights, property, and safety of lunalingo.com, our users, or the public
Third-Party Services
Our service integrates with the following third-party services:
- Google OAuth for authentication
- Supabase for user data storage
- OpenAI for dialogue generation
- ElevenLabs for text-to-speech functionality
Each of these services has their own privacy policy governing the information they collect and how they use it.
Data Retention
We retain your account information indefinitely unless you request deletion. You may request deletion of your account information by contacting us at privacy@lunalingo.com.
IP Address Retention
For guest users (those who have not signed in), we use IP addresses to monitor and limit API usage. IP addresses used for this purpose are automatically deleted after 7 days. This short retention period helps protect your privacy while allowing us to prevent abuse of our services.
Your Rights and Choices
Depending on your location, you may have certain rights regarding your personal information:
For all users:
- Access: You can request access to your personal information.
- Correction: You can request that we correct inaccurate or incomplete information.
- Deletion: You can request that we delete your personal information.
For EU users (GDPR):
- Data Portability: You can request a copy of your data in a structured, commonly used, and machine-readable format.
- Restriction of Processing: You can request restriction of processing of your personal data.
- Object to Processing: You can object to our processing of your personal data.
- Withdraw Consent: You can withdraw consent at any time where we rely on consent to process your personal information.
For California users (CCPA):
- Right to Know: You can request information about the personal information we collect about you and how we use and disclose it.
- Right to Deletion: You can request deletion of your personal information.
- Right to Non-Discrimination: We will not discriminate against you for exercising any of these rights.
To exercise these rights, please contact us at hi@lunalingo.com.
Children's Privacy
Our service is not directed to children under the age of 13, and we do not knowingly collect personal information from children under 13. If we learn that we have collected personal information of a child under 13, we will take steps to delete such information as soon as possible.
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 on this page and updating the "Last Updated" date at the top of this Privacy Policy.
Contact Us
If you have any questions about this Privacy Policy, please contact us at:
Email: privacy@lunalingo.com