Last Updated: March 8, 2025

At Onion Brother K.K. ("Onion Brother," "we," "us," or "our"), we take your privacy seriously. This Privacy Policy explains how we collect, use, share, and protect your personal information when you interact with our games, apps, websites, and related services (collectively referred to as the "Services").

Onion Brother is the data controller, with a registered office at Room 112, 6-7 Maruyama-cho, Shibuya-ku, Tokyo, Japan.

We reserve the right to update this Privacy Policy at any time. If any changes are made, we will update the "Last Updated" date above and encourage you to review the policy periodically. Your continued use of our Services after the revised policy is posted will indicate your acceptance of the changes.

1. Information We Collect

We collect various types of information based on your interaction with our Services. This includes:

Personal Information & Account Data

When you sign up or log in to an account within our apps, we may ask for details such as your name, email address, and password to help track progress and sync your data across devices. It is your responsibility to ensure that your account details remain accurate and up to date.

Device Information

We may gather device-related data such as your device type, operating system, app version, device ID, advertising ID, language settings, time zone, and IP address when you access our Services.

Usage Data

Our Services automatically collect certain information about how you interact with them, including crash reports, location data, in-app purchases, and general activity logs.

Location & Camera Access

Certain features may require location permissions to provide location-based services, or camera access if you choose to use specific functionalities. You can manage these permissions in your device settings at any time.

Third-Party Data

We may receive information about you from third-party service providers that operate within our Services, in accordance with their privacy policies. A list of these providers can be found in Appendix B.

Social Media Integration

If you log in via Facebook or Google, we may receive data such as your name, profile picture, email, and language preferences, along with contact details of anyone you invite to join our Services.

User-Provided Data

When you participate in surveys, contests, tournaments, or events, we may collect the information you voluntarily provide, such as your contact details or preferences.

Cookies & Tracking Technologies

To enhance your experience and provide tailored advertisements, we and our third-party partners may use cookies, SDKs, and other tracking technologies. More details can be found in Appendices A & B.

2. How We Use Your Information

We process your information for the following purposes:

If you are located in the European Economic Area, Norway, or Switzerland, we will seek your consent before processing data for personalized advertising. Instructions for opting out are provided below.

3. Data Retention

We retain personal data only as long as necessary for the purposes outlined in this policy or as required by law. If your account remains inactive for more than 14 months, your personal data will be deleted. After deletion, requests for access, correction, or data portability will no longer be possible.

4. Your Rights & Choices

You have the right to:

How to Opt Out of Personalized Ads

For iOS Users:

  1. Open Settings

  2. Navigate to Privacy → Advertising → Enable "Limit Ad Tracking" (iOS 13 and earlier)

  3. For iOS 14+, go to Tracking → Disable "Allow Apps to Request to Track"

For Android Users:

  1. Open Settings

  2. Go to Google → Ads

  3. Enable "Opt out of Ads Personalization"

Even after opting out, you may still see non-personalized ads. More details can be found in Appendix A.

For further privacy inquiries, please email [email protected].

5. How We Share Your Information

We may share data under these circumstances:

In cases where sharing goes beyond these purposes, we will seek your explicit consent.

6. Children's Privacy

Our Services are not intended for users under 16. We do not knowingly collect data from children. If you believe a child has provided us with personal information, please contact us at [email protected] for removal.

7. External Links

Our Services may contain links to third-party websites. These sites have independent privacy policies, and we do not assume responsibility for their content or data practices.

8. California Privacy Rights

California residents can refer to our California Consumer Privacy Act (CCPA) Disclosure for details on their privacy rights.

9. Changes to This Policy

We may update this Privacy Policy periodically. The "Last Updated" date reflects the latest version. Your continued use of our Services indicates acceptance of any modifications.

10. Contact Us

For questions regarding this Privacy Policy, please reach out to us at:

Email: [email protected]

APPENDIX A - Advertising Networks and Their Partners

To support advertising and marketing efforts, we collaborate with the following companies, which may collect certain information from our apps or websites. If you are located in the European Economic Area (EEA), some of these networks and analytics providers may request your consent before collecting data such as device identifiers, IP addresses, ad identifiers, installed app inventory, and other tracking technologies. This information is used for personalized advertising, ad selection, delivery, reporting, and campaign optimization.

Ad identifiers, including Android Advertising ID (AAID) and Apple’s ID for Advertising (IDFA), help advertisers serve relevant ads. Some of these partners act as independent data controllers, meaning they manage your personal data in accordance with their own privacy policies. To learn more about their data practices or opt-out options, refer to the links provided below.

Note: Fyber, Mobfox, and PubNative act as data processors, meaning they only handle data under our instructions.

Advertising Partners

Users who wish to manage or opt out of personalized ads can follow the instructions provided by each advertising network through their respective privacy policies.

APPENDIX B - Analytics & Other Service Providers

To improve our Services, optimize user experience, and support business operations, we use analytics tools and third-party service providers. These services help us understand usage trends, enhance performance, personalize content, and support advertising initiatives. The companies listed below may collect data, and you can learn more about their data handling practices by following the links to their privacy policies.

Analytics & Service Partners

Our analytics partners may collect data such as device information, session duration, in-app events, and crash reports to help us refine our Services. Users who wish to limit or opt out of certain data collection can follow the opt-out links provided by each provider.