Onigiri

Privacy Policy

Last Updated:

1. Introduction

Onigiri (“the App”) is a Japanese language learning application developed and operated by Chanko Studios. The App is available on iOS, Android, and Web.

This Privacy Policy explains how Chanko Studios collects, uses, and protects your personal data when you use the App.

By using Onigiri, you agree to the collection and use of information in accordance with this policy.

2. Data Controller

The data controller responsible for your personal data is:

Chanko Studios
Contact email: contact@chankostudios.com

3. Personal Data We Collect

When you use Onigiri, we may collect the following personal data:

3.1 Account Information

  • Email address
  • Username
  • Information you provide about your Japanese language proficiency

This data is used to create and manage your account and personalize your learning experience.

3.2 Usage Data

  • App usage analytics (screens viewed, features used)
  • Time and frequency of app usage
  • Approximate location (derived from IP address)

This data helps us understand how the App is used and improve its features.

3.3 Technical Data

  • Crash reports
  • Device and operating system information

This data is used solely to diagnose bugs and improve stability.

3.4 Notifications

  • Time of app usage and activity patterns may be used to schedule notifications at appropriate times.

4. How We Use Your Data

Chanko Studios uses your data for the following purposes:

  • To provide and operate the App
  • To create and manage user accounts
  • To personalize learning content
  • To improve app performance and user experience
  • To detect, prevent, and fix technical issues
  • To schedule notifications in a relevant manner

We do not sell your personal data.

5. Third-Party Services

We use the following third-party services, which may process personal data on our behalf:

  • Firebase Authentication – user account management
  • Firebase Analytics – usage analytics
  • Firebase Crashlytics – crash reporting

These services are provided by Google LLC and process data in accordance with their own privacy policies and applicable data protection laws.

6. Legal Basis for Processing (GDPR)

Under the General Data Protection Regulation (GDPR), Chanko Studios processes personal data based on:

  • Performance of a contract: to provide the App and its features
  • Legitimate interests: improving the App, ensuring security and stability
  • Consent: where required, such as for analytics or notifications

7. Data Retention

Chanko Studios retains personal data only for as long as necessary to fulfill the purposes described in this Privacy Policy or to comply with legal obligations.

8. Your Rights

Depending on your location, you have the right to:

  • Access your personal data
  • Correct inaccurate data
  • Request deletion of your data
  • Object to or restrict certain processing
  • Withdraw consent at any time

To exercise these rights, contact us at contact@chankostudios.com.

Note: Account deletion is not yet available directly in the App. You may request deletion by contacting Chanko Studios by email.

9. Children’s Privacy

Onigiri is not intended for children under the age of 13 (or the minimum age required in your country). Chanko Studios does not knowingly collect personal data from children.

10. Data Security

Chanko Studios implements reasonable technical and organizational measures to protect personal data against unauthorized access, loss, or misuse.

11. International Data Transfers

As the App is available worldwide, personal data may be processed outside your country of residence, including on servers operated by Google. Appropriate safeguards are applied in accordance with applicable data protection laws.

12. Changes to This Privacy Policy

Chanko Studios may update this Privacy Policy from time to time. Changes will become effective when published within the App or on the Onigiri website.

13. Contact

If you have any questions about this Privacy Policy or your personal data, contact:

Chanko Studios
Email: contact@chankostudios.com