Privacy Policy

Last Updated: February 20, 2026

Thank you for choosing to use Flowcus (“we”, “our”, or “us”). We value your privacy and are committed to protecting your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our services, including our website, mobile app, and any other products or services we offer (collectively, “the Service”).

Please read this Privacy Policy carefully. By accessing or using our Service, you agree to the terms outlined in this policy.

1. Information We Collect

We may collect and process the following types of personal information when you use our Service:

1.1 Personal Identification Information

1.2 Usage Data

1.3 Apple Health Data (HealthKit Integration)

If you choose to integrate Apple Health (HealthKit) with our app, HealthKit data is processed locally on your device with your permission.

1.4 Analytics Information

We use Firebase services to operate, secure, and improve the Service. If we enable analytics features (such as Firebase Analytics) in the future, we will update this Privacy Policy before doing so.

1.5 Communications

When you contact us via email, in-app messaging, or customer support, we may collect the content of your communications and your contact information to respond to your inquiries.

2. How We Use Your Information

We use the information we collect for the following purposes:

3. Data Sharing and Disclosure

We do not sell your personal information. We may share your data in the following situations:

The Service may contain links to third-party websites or services (such as social media or external content providers). We are not responsible for their privacy practices. We encourage you to review their privacy policies before providing any information.

5. Data Security

We implement industry-standard security measures, including encryption and secure transmission protocols, to protect your data. However, no method of electronic transmission or storage is completely secure, and we cannot guarantee absolute security.

6. Data Retention

We retain your personal information for as long as necessary to provide the Service, fulfill the purposes described in this policy, or comply with legal obligations. Aggregated and anonymized usage data may be retained for service improvement. If you delete your account, we will delete your data subject to applicable laws and retention requirements.

7. International Data Transfers

Your information may be transferred to and processed on servers located outside your country of residence, including in countries that may not have the same level of data protection. We will take appropriate steps to ensure your data is handled securely.

8. Your Data Protection Rights

Depending on your jurisdiction, you may have the following rights:

If you are located in the European Economic Area (EEA), you also have the right to lodge a complaint with your local data protection authority.

California Residents

If you are a California resident, you have the right to request information regarding the personal data we collect, the sources of that data, the purposes for collection, and the categories of third parties with whom we share your data. You may also request deletion of your personal data, subject to certain exceptions as required by law.

Non-Discrimination

We will not discriminate against you for exercising any of your privacy rights under applicable law.

To exercise any of these rights, please contact us at contact@flowcusapp.com. We will respond within the timeframes required by applicable law.

9. Children’s Privacy

The Service is not intended for children under the age of 13. In regions where a higher minimum age or parental/guardian consent is required, those rules apply. We do not knowingly collect personal data from children in violation of applicable law. If we learn that we have inadvertently collected such information, we will delete it promptly.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Changes will be reflected by updating the “Last Updated” date above. If material changes are made, we will notify users via the Service or email. Continued use of the Service after changes indicates your acceptance of the revised Privacy Policy.

11. Contact Us

If you have any questions or concerns regarding this Privacy Policy or our data practices, please contact us at:

Kazuma Nuno (doing business as Flowcus)
Mailing Address: 3F, 1-3-1 Kita-Aoyama, Minato-ku, Tokyo 107-0061, Japan
Email: contact@flowcusapp.com