Last updated: October 2025
JSR Software Inc. ("we," "our," or "us") operates StupidNeko, a language learning progress tracking platform available as a web application, mobile app, and browser extension. This Privacy Policy explains how we collect, use, disclose, and protect your information when you use our services.
When you create an account, we collect:
We collect data about your language learning activities:
When you connect third-party services, we collect:
Our browser extension collects:
We automatically collect:
We use your information to:
We share information with:
Your profile information, activity history, and learning statistics may be visible to other users through leaderboards and community features. You can hide your profile from public view in your account settings.
When you reach learning milestones, we may share celebration messages to our Discord community (with your username and achievement details).
You have the right to:
You can control your privacy settings to hide your profile from public leaderboards and community features.
When you delete your account, we will anonymize your personal data but may retain anonymized usage statistics for analytics purposes. This helps us improve our service while protecting your privacy.
We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the internet is 100% secure.
Our browser extension requests the following permissions:
The extension only tracks URLs you explicitly mark for tracking and does not collect data from pages you haven't designated for language learning.
Our service is not intended for users under 13 years of age. We do not knowingly collect personal information from children under 13.
If you are located outside the United States, please note that your information will be transferred to and processed in the United States. By using our service, you consent to this transfer.
We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new policy on this page and updating the "Last updated" date.
If you have any questions about this Privacy Policy or our data practices, please contact us at:
Email: support@stupidneko.com
Company: JSR Software Inc.