Privacy Policy

OWEN Inc. (the "Company"; owen.ne.jp) sets forth this Privacy Policy (the "Policy") regarding the handling of information in the application "Compound Interest Calculator Pro" (iOS/Android; the "App") provided by the Company.

1. Information We Collect

The App does not collect any personal information such as your name, address, phone number, or email address.

The Company may collect the following anonymous usage data in order to understand how the App is used:

  • Device type, OS version, and other device information
  • Dates/times and frequency of App usage
  • Calculation parameters (numerical values such as principal, rate, years, and periodic amount)
  • Type of calculation performed (future value, contribution/withdrawal, years required, required rate)
  • In-app settings
  • Advertising identifiers

This data cannot identify a specific individual and falls under "Personal-related Information" as defined in our Terms of Service.

2. Purpose of Use

The Company uses the anonymous usage data collected for the following purposes:

  1. Research and statistical analysis of App usage
  2. Improvement of the App and the Company's services, and consideration of new services
  3. Publication of aggregated statistical data externally (including fukurikun.com, operated by the Company)
  4. Provision to research institutions as research data
  5. Marketing and promotional use

3. Third-Party Services

The Company uses the following external services. Please also review each service's privacy policy.

Analytics
The App uses Firebase Analytics (Google LLC) to analyze usage. Firebase Analytics collects anonymous event data. For details, please see the Google Privacy Policy.
Advertising Services
The App may use third-party advertising services. These services may use advertising identifiers and similar information to deliver advertisements.
Publication of Aggregated Data
The Company may publish statistical information derived from aggregated anonymous usage data on fukurikun.com and other platforms operated by the Company. Published data is statistical and cannot identify any specific individual.

4. Data Storage

The anonymous usage data collected is stored on cloud services used by the Company. Access to the data is limited to authorized personnel of the Company, and the data is managed appropriately.

5. Your Rights

Because the data we collect is anonymous and cannot identify specific individuals, we are unable to accommodate requests for disclosure, correction, or deletion of individual data.

If you have any questions or concerns regarding our data practices, please contact us using the information below.

6. Contact Us

For inquiries regarding this Policy, please use the contact form on owen.ne.jp.

7. Revisions

The Company may revise this Policy as necessary. Any revisions will be posted on this page. By continuing to use the App after a revision, you are deemed to have agreed to the revised Policy.

Effective March 10, 2026

This English translation is provided for convenience. In case of any discrepancy, the Japanese version shall prevail.