Privacy Policy

Last updated: December 17, 2025

1. Introduction

Welcome to LangPal ("we," "our," or "us"). We are committed to protecting your personal information and your right to privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our vocabulary learning application ("Service").

LangPal is operated by CodeYourBrand Sp. z.o.o (NIP: PL5273088516), located at UL. ALEJE JEROZOLIMSKIE 109/70, 02-011 WARSZAWA, Poland.

2. Information We Collect

2.1 Information You Provide

  • Account Information: Email address and profile information when you create an account via email or Google authentication
  • User Content: Vocabulary lists, words, definitions, and other learning content you create
  • Communication Data: Any correspondence you have with us

2.2 Automatically Collected Information

  • Device and browser information
  • IP address and location data
  • Usage data and interaction with the Service

2.3 Third-Party Information

  • Google OAuth: If you sign in with Google, we receive your email address and basic profile information
  • Payment Information: Processed by Stripe; we do not store your full payment card details

3. How We Use Your Information

We use your information to:

  • Provide and maintain the Service
  • Process your vocabulary lists and generate AI-powered definitions using OpenAI
  • Process payments through Stripe for premium features
  • Communicate with you about Service updates
  • Improve and optimize the Service
  • Comply with legal obligations

4. How We Share Your Information

We may share your information with:

  • Supabase: Our infrastructure provider for database and authentication services
  • Stripe: For processing payments (for paid subscribers)
  • OpenAI: For generating word definitions, synonyms, antonyms, and example sentences (your vocabulary words are processed by OpenAI's API)
  • Google: For authentication if you use Google sign-in
  • ElevenLabs: For text-to-speech pronunciation features

We do not sell your personal information to third parties.

5. Data Storage and Security

5.1 Data Location

Your data is stored on Supabase's servers. Please refer to Supabase's privacy policy for information about their data locations.

5.2 Data Retention

We retain your data for as long as your account is active. You may request deletion of your account and associated data at any time.

5.3 Security Measures

We implement appropriate technical and organizational measures to protect your data, including encryption in transit and at rest.

6. Your Rights

Under GDPR and applicable data protection laws, you have the right to:

  • Access your personal data
  • Correct inaccurate data
  • Delete your data ("right to be forgotten")
  • Export your data in a portable format
  • Object to processing of your data
  • Withdraw consent at any time

To exercise these rights, contact us at matt@codeyourbrand.com.

7. Cookies and Tracking

We use:

  • Essential Cookies: Required for authentication and basic functionality
  • Analytics: To understand how users interact with our Service

You can control cookies through your browser settings.

8. Age Restrictions

The Service is not intended for users under 13 years of age. We do not knowingly collect information from children under 13.

9. International Data Transfers

If you are located outside Poland, your data may be transferred to and processed in Poland or other countries where our service providers operate. We ensure appropriate safeguards are in place for such transfers.

10. Changes to This 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.

11. Contact Us

If you have questions about this Privacy Policy, please contact us at:

  • Email: matt@codeyourbrand.com
  • Company: CodeYourBrand Sp. z.o.o
  • Address: UL. ALEJE JEROZOLIMSKIE 109/70, 02-011 WARSZAWA, Poland
  • NIP: PL5273088516