Introduction
This Privacy Policy (hereinafter referred to as "this Policy") explains the handling of user information in the smartphone application "StaySync" (hereinafter referred to as "this Application") provided by Yasunori Tanaka (hereinafter referred to as "the Provider"). Before using this Application, please read this Policy carefully and understand its contents.
Effective Date: June 1, 2025
1. Information Collected
The Provider may collect the following information in connection with the provision of this Application.
1.1. Information Provided Directly by Users
Information provided during inquiries (e.g., name, email address, record of inquiry content, etc.)
1.2. Information Automatically Collected Through Use of This Application
Currently, this Application does not automatically collect any information through its use, other than the information directly provided by users. If automatic collection is implemented in the future, this Policy will be revised to clearly state the types of information collected, the purpose of collection, and the collection methods.
2. Purpose of Use of Information
The Provider will use the collected information for the following purposes:
To provide, operate, maintain, and improve this Application.
For user identity verification and authentication.
To respond to inquiries and provide support.
To notify users of important information regarding this Application (e.g., maintenance information, changes to terms of service, etc.).
To analyze the usage of this Application, create statistical data, and conduct marketing activities (information may be processed into a non-personally identifiable format for these purposes).
To prevent and respond to fraudulent activities.
To develop new services and features.
3. Provision of Information to Third Parties
The Provider will not provide collected personal information to third parties without the user's consent, except in the following cases:
When required by law.
When it is necessary for the protection of a person's life, body, or property, and it is difficult to obtain the consent of the individual.
When it is particularly necessary for the improvement of public health or the promotion of the sound upbringing of children, and it is difficult to obtain the consent of the individual.
When it is necessary to cooperate with a national agency, a local government, or an individual or entity entrusted by either of the foregoing in executing affairs prescribed by law, and obtaining the consent of the individual is likely to impede the execution of such affairs.
When entrusting the handling of personal information to a service provider (e.g., payment processing companies, data analysis companies, customer support companies, etc.; specific names of service providers and their privacy policies will be separately indicated or notified within this Policy as necessary) to the extent necessary to achieve the purpose of use. In such cases, the Provider will exercise necessary and appropriate supervision over the service provider. Currently, there are no specific plans to entrust the handling of personal information to external vendors for the operation of this Application, other than for responding to inquiries. If it becomes necessary to entrust such information in the future for purposes such as service improvement, this Policy will be updated to specify the name of the service provider, the scope of information entrusted, the purpose of entrustment, and a link to the said service provider's privacy policy, etc.
When the business of this Application is succeeded due to a merger, company split, business transfer, or other reasons.
4. Joint Use of Information
The Provider will not jointly use collected information.
5. Retention Period and Disposal of Information
The Provider will retain collected personal information for the period necessary to achieve the purpose of use. Personal information for which the retention period has expired, or which is no longer necessary for the purpose of use, will be promptly and securely erased or anonymized in accordance with relevant laws and regulations. The specific retention period will be set according to the type of information, purpose of use, and legal obligations.
6. User Rights
Users have the following rights regarding their personal information held by the Provider. If you wish to exercise these rights, please contact us at the contact information provided in "11. Contact Information."
Right to Request Disclosure: The right to confirm the content of your personal information.
Right to Request Correction, Addition, or Deletion: The right to request correction, addition, or deletion if there are errors in your personal information.
Right to Request Suspension of Use or Erasure: The right to request the suspension of use or erasure of your personal information (however, we may not be able to comply with such requests due to laws and regulations).
7. Information Security Measures
The Provider will take necessary and appropriate organizational, human, physical, and technical security control measures (including, but not limited to, implementing access control, encrypting communications, and conducting regular security assessments) to prevent the leakage, loss, or damage of collected information and to otherwise appropriately manage collected information.
8. Cross-Border Transfer of Personal Information
The Provider does not store collected personal information on servers outside of Japan, nor does it entrust information processing to businesses based outside of Japan. If it becomes necessary to transfer personal information across borders in the future, the name of the destination country, an overview of the personal information protection system in that country, and the protective measures taken by the Provider will be clearly stated in this Policy, and necessary actions will be taken in accordance with applicable laws.
10. Changes to the Privacy Policy
The Provider may change the contents of this Policy without prior notice due to amendments to laws and regulations, changes in business content, or other reasons. For significant changes (e.g., substantial additions to the types of personal information collected, major changes to the purpose of use, expansion of the scope of third-party provision), we will endeavor to notify users in a manner that allows them to recognize the changes in advance, such as notification within this Application, posting on the Provider's website, and, depending on the degree of impact, push notifications or email notifications. The revised Privacy Policy shall become effective when posted on this Application or the Provider's website. Please review the latest version of this Policy periodically when using this Application.
11. Contact Information
For questions, complaints, consultations regarding this Policy, or inquiries regarding the handling of user information, please contact the following:
Developer Name: Yasunori Tanaka
Contact Email Address: ysnr.tanaka+support@gmail.com
12. Disclaimer
This Policy applies to the use of this Application. The Provider assumes no responsibility for the handling of information on third-party websites or services linked from this Application. Please check the privacy policies of each linked site.