1. Privacy Policy

Last Updated: 23 December 2025

Welcome to Katakana Native! This Privacy Policy explains how we collect, use, and disclose your information when you use our mobile application. By using the app, you agree to the collection and use of information in accordance with this policy.

Data Collection and Usage

We collect information to provide and improve our service to you. The types of information we may collect include:

• Account Information: When you create an account using email/password or through a third-party service like Apple or Google Sign-in, we collect your basic profile information, such as your email address and name, as provided by you or the authentication service.
• Usage Data: We automatically collect information on how the service is accessed and used ("Usage Data"). This may include your device's IP address, device type, operating system version, the features of our app that you visit, the time and date of your visit, the time spent on those features, and other diagnostic data.
• Progression Data: We track your progress within the app, such as quiz scores and completed typing exercises, to provide you with a personalized learning experience.

Third-Party Services

We use third-party services to facilitate our app, to provide the app on our behalf, and to perform app-related services or to assist us in analyzing how our app is used.

• Firebase (Google): Used for user authentication, analytics, and backend infrastructure. Firebase helps us understand how users interact with our app so we can improve it. Firebase Privacy Policy
• RevenueCat: Used to manage in-app subscriptions and purchases. We send subscription status and purchase events to RevenueCat. RevenueCat Privacy Policy

Data Deletion

You have the right to delete your account and associated data at any time. You can do this from the "Settings" section within the Katakana Native app. Upon confirmation, your account and all personal data will be permanently deleted from our servers.

GDPR & CCPA Compliance

We are committed to complying with the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA). If you are a resident of the European Economic Area (EEA) or California, you have certain data protection rights. We aim to take reasonable steps to allow you to correct, amend, delete, or limit the use of your Personal Data.

Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page. You are advised to review this Privacy Policy periodically for any changes.

1. プライバシーポリシー

最終更新日: 2025年12月23日