Privacy Policy

This Privacy Policy describes how NPK Studio ("we", "us", or "our") collects, uses, and protects personal data in the smartphone application "PikaPika" (the "App").

This policy is written in Japanese as the authoritative version. In case of any discrepancy between language versions, the Japanese version shall prevail.

1. Data Controller

The data controller for personal data processed through this App is:

2. Personal Data We Collect and Purposes

We collect and use the following personal data to provide the App:

2.1 Account Information

Data TypePurposeLegal Basis
Email address, authentication credentials (Google/Apple/Anonymous)Account creation, authentication, service provisionPerformance of contract
Username, profile imageIdentification within groups, service provisionPerformance of contract

2.2 Cleaning Record and Group Data

Data TypePurposeLegal Basis
Cleaning record information (cleaning locations, schedules, completion history)Providing cleaning management functionalityPerformance of contract
Group information (group names, member composition)Providing group collaboration functionalityPerformance of contract

2.3 Device and Technical Information

Data TypePurposeLegal Basis
Device identifiers, OS version, app versionApp improvement, bug fixingLegitimate interest (*1)
Crash logs, performance dataImproving app stability, troubleshootingConsent (*2)
Usage statistics (screen navigation, feature usage)Service improvement, usage analysisConsent (*2)
Advertising identifierPersonalized advertisingConsent (*2)

*1 Legitimate Interest: The collection of device identifiers, OS version, and app version is necessary to ensure app compatibility, identify and fix bugs, and maintain the technical stability of the service. This data is used only for purposes essential to service provision without unduly infringing on users' rights or interests.

*2 Consent Collection: For users in the EU/EEA and United Kingdom, we display a privacy settings dialog upon first app launch to obtain explicit consent for this data collection. For iOS users, advertising identifier access also requires separate permission under Apple's App Tracking Transparency (ATT) framework.

3. Sharing with Third-Party Services

We use the following third-party services, and personal data may be shared with them.

3.1 Firebase (Google LLC)

Firebase Privacy Policy

3.2 Google AdMob (Google LLC)

For ad delivery, we share advertising identifier, device information, and usage data.

AdMob Privacy Policy

3.3 RevenueCat

For subscription management, we share purchase information and user identifiers.

RevenueCat Privacy Policy

4. International Data Transfers

We are located in Japan, and your personal data may be processed on servers in Japan and on servers of the third-party services mentioned above (including the United States).

Japan has received an "adequacy decision" from the European Commission, meaning that transfers of personal data from the EU/EEA to Japan are recognized as having appropriate safeguards under GDPR Article 45. For transfers to the United States and other countries, each service provider implements appropriate safeguards such as Standard Contractual Clauses (SCCs).

5. Data Retention

6. Your Rights (GDPR)

If you reside in the EU/EEA or the United Kingdom, you have the following rights under GDPR:

6.1 How to Exercise Your Rights

6.2 Right to Lodge a Complaint

You have the right to lodge a complaint with a data protection supervisory authority in your country. A list of EU/EEA supervisory authorities can be found on the European Data Protection Board (EDPB) website.

7. Necessity of Data Provision

To use the basic features of this App, you must provide account information (authentication credentials). If you do not provide this information, you will not be able to use the main features of the App.

For users in the EU/EEA and United Kingdom: Providing crash logs, usage statistics, and advertising-related data is optional. Even if you refuse or withdraw consent for these, you can continue to use the main features of the App.

For users in other regions: By using this App, you consent to the collection of crash logs and usage statistics. You can limit advertising-related data by turning off ad tracking in your device settings.

8. Automated Decision-Making

We do not engage in automated decision-making (including profiling) that produces legal effects or similarly significant effects on you.

9. Children's Privacy

This App is not intended for children under the age of 13, and we do not knowingly collect personal data from children under 13.

10. Security

We implement industry-standard technical and organizational measures to protect your personal data. However, no method of transmission over the Internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. If there are significant changes, we will notify you through in-app notifications or by posting on this page.

12. Contact Us

If you have any questions about this Privacy Policy, please contact us at:

Email: pikapika.app.reply@gmail.com