Privacy Policy

Nexus Inc. (hereinafter referred to as "the Company") establishes the following Privacy Policy regarding the handling of users' personal information in the services provided.

Handling of Personal Information

Article 1: Definition of Personal Information

"Personal information" refers to "personal information" as defined by the Act on the Protection of Personal Information. This includes information that can identify a specific individual through descriptions such as name, date of birth, address, phone number, email address, as well as data related to appearance, fingerprints, voiceprints, and health insurance card insurer numbers.

Article 2: Methods of Collecting Personal Information

The Company collects personal information through the following methods.

  1. 1.Information provided during registration: name, date of birth, address, phone number, email address, etc.
  2. 2.Information during service use: operation history, usage status, uploaded files.
  3. 3.Device information: IP address, browser type, device information.
  4. 4.Location information: location data obtained during app use.
  5. 5.Third-party social media services: information provided through Google, Facebook, Twitter, LinkedIn, etc. (hereinafter referred to as "Third-Party Social Media Services").

Article 3: Purposes of Using Personal Information

The Company uses personal information for the following purposes.

  1. 1.Service provision and operation
  2. 2.User authentication and identity verification
  3. 3.Customer support provision
  4. 4.Analysis of usage and service improvement
  5. 5.Development of new features and services
  6. 6.Ensuring security and preventing unauthorized use
  7. 7.Calculation of fees for paid services
  8. 8.Compliance with laws and regulations
  9. 9.Optimization of services using location information
  10. 10.Provision of integration features through Third-Party Social Media Services
  11. 11.Other matters incidental to the above purposes

Article 4: Changes to Purposes of Use

The Company will change the purposes of use of personal information only when the change is reasonably recognized as being related to the purpose before the change. When a change occurs, users will be notified through the method prescribed by the Company.

Article 5: Provision of Personal Information to Third Parties

The Company will not provide personal information to third parties without prior consent, except in the following cases.

  1. 1.When required by law
  2. 2.When necessary to protect a person's life, body, or property
  3. 3.When particularly necessary for improving public health or promoting the sound development of children
  4. 4.When cooperation with national or local government agencies is necessary

The Company may share personal information with subcontractors and partner companies (cloud service providers, analytics service providers, etc.). In such cases, the Company will execute appropriate contracts and ensure thorough information protection.

Information from Third-Party Social Media Services

The Company allows users to create accounts, log in, and use the Service through the following Third-Party Social Media Services.

When a user registers through a Third-Party Social Media Service or otherwise grants the Company access to such service, the Company may collect personal data already associated with the user's Third-Party Social Media Service account, such as the user's name, email address, activities, and contact lists associated with that account.

Users may also have the option to share additional information with the Company through their Third-Party Social Media Service account. If a user chooses to provide such information and personal data during registration or otherwise, the user authorizes the Company to use, share, and store such information in a manner consistent with this Privacy Policy.

Data Protection and Security Management

Article 6: Data Protection

The Company implements the following measures to protect personal information.

  1. 1.Data encryption
  2. 2.Utilization of security infrastructure
  3. 3.Restriction of access privileges
  4. 4.Regular security audits
  5. 5.Establishment of data breach response protocols

Article 7: Rights of Personal Information Users

Users have the following rights.

  1. 1.Request for disclosure of personal information
  2. 2.Request for correction or deletion
  3. 3.Request to cease use
  4. 4.Right to data portability
  5. 5.Right to withdraw consent

The Company will respond to the exercise of these rights promptly and in good faith.

Service-Specific Handling

Article 8: Service-Specific Handling

  1. 1.Calendar and event information:

The collected information is used only within the device to provide the following features, and is partially stored on external servers managed by the Company.

  1. 2.When a user links their calendar with external cloud services (iCloud, Google Calendar, Outlook, etc.), such information is managed in accordance with each service provider's privacy policy.
  2. 3.Handling of Gmail account information

The Company accesses only the minimum necessary information (within the scope required for the calendar sharing feature) through Google's OAuth authentication. The Company does not obtain or store users' passwords. The collected information is used solely for providing the sharing feature and is not provided to third parties.

  1. 4.Notification-related data

Device event information and notification settings are used for providing event reminders and push notifications. Information used for notifications is used solely for providing the Service's features and is not provided to third parties. External notification services (e.g., Firebase Cloud Messaging, APNs) may be used for sending notifications, but no personally identifiable content is included and processing is done securely.

  1. 5.Withdrawal of advertising consent

The Service obtains advertising identifiers (such as IDFA) for advertising purposes based on user consent. If you wish to withdraw your advertising consent, please use the following methods.

Article 9: AI and Automation

The Company uses AI technology to improve the Service, but does not use users' personal data for training other AI models. The Company also ensures transparency regarding AI processing.

Article 10: Data Deletion

When a user deletes their account or individually requests data deletion, the following process is followed.

  1. 1.User data deletion: deleted promptly
  2. 2.Cache data deletion: deleted within 30 days

Article 11: Data Retention Period

The Company retains personal information for the period necessary for service provision or the period required by law. Data whose retention period has expired is appropriately disposed of.

Article 12: International Data Transfers

The Company may process personal information on servers outside Japan. In such cases, the Company complies with the EU General Data Protection Regulation (GDPR) and other international data protection standards. Standard Contractual Clauses (SCC) are applied and protective measures are taken.

Article 13: Use by Minors

The Service requires parental consent for minors. When a minor begins using the Service, parental consent will be confirmed.

Article 14: Data Breach Notification

In the event of a personal information breach, users will be promptly notified and the following measures will be taken.

  1. 1.Investigation of the extent of damage
  2. 2.Contacting affected users
  3. 3.Implementation of measures to prevent recurrence

Other

Article 15: Changes to the Policy

The contents of this Policy may be changed without notice to users, except for matters otherwise stipulated in this Policy or by law. Unless otherwise determined by the Company, the revised Privacy Policy shall take effect from the time it is posted on this website.

Article 16: Contact Information

For inquiries regarding this Policy, please contact the following.

Company name: Nexus Inc.

Contact: nexus.inc.1107@gmail.com

Established: September 17, 2025

Last updated: September 17, 2025