This privacy policy applies to all mobile applications published on the Apple App Store by Hisa Hashisaka, together with any related services (collectively, the "Application" or "Applications"). Hisa Hashisaka is hereby referred to as the "Service Provider". The same policy governs every Application published by the Service Provider unless an Application provides its own separate privacy policy.
The Application does not collect, log, or store any personal information when you download and use it. Registration is not required. If the Application is used with an active internet connection, technical protocol data (such as your ephemeral IP address) is transmitted to facilitate network connectivity, but this data is not retained or used for tracking. The Application does not include any analytics, advertising, or tracking technologies.
This Application does not collect precise information about the location of your mobile device.
For most Applications, since the Application does not collect any personal information, no data is shared with third parties. Some Applications connect to third-party service providers in order to deliver their features; where that is the case, the details are described in the app-specific section below.
Since the Application does not collect personal information through normal use, uninstalling it simply removes the Application from your device.
If you contact the Service Provider directly or voluntarily provide information by other means, you may request deletion of that information by contacting support@hisahashisaka.com.
Depending on where you live, you may have rights under data protection laws such as the EU/UK General Data Protection Regulation (GDPR) or the California Consumer Privacy Act (CCPA), including the rights to access, correct, delete, or restrict the processing of your personal information, and the right not to be discriminated against for exercising these rights. Because the Application does not collect personal information through normal use, these rights generally apply only to information you voluntarily provide (for example, by emailing the Service Provider). To exercise any of these rights, contact support@hisahashisaka.com.
The Application is not intended for children under 16 years of age, or such higher age as required by applicable law. The Service Provider does not knowingly solicit data from children or market to them. Since the Application does not collect personal information through normal use, children's data is not at risk from use of the Application alone. If you voluntarily provide personal information through other means and are under 16 years of age, your parent or guardian must provide consent on your behalf where permitted by law.
Because the Application does not collect personal data, the risk of personal data exposure is minimal. However, no security system is completely secure. The Service Provider implements reasonable safeguards to protect systems and any data it holds.
Since the Application does not collect personal data through normal use, the risk of a data breach affecting your personal data is minimal. If a breach occurs involving any data you have voluntarily provided, the Service Provider will notify you as required by applicable law.
InvestSage is the Service Provider's investment calculator application. InvestSage does not require an account, and the Service Provider does not collect, log, or store your personal information on its own systems when you use it.
To provide market data, InvestSage connects to a third-party market-data provider, Massive, using a "bring your own key" model: you obtain and configure your own Massive API key within the app. When InvestSage requests data, your device communicates directly with Massive. As part of that communication, the Massive API may capture or log information such as your API key, your IP address, and the details of your request (for example, the symbols or data you look up).
This information is received and processed by Massive under its own terms and conditions and privacy policy, over which the Service Provider has no control. The Service Provider does not receive, collect, or store your Massive API key, your queries, or the data returned. To understand what Massive may capture and how it handles your data, please review Massive's terms and conditions and privacy policy.
The Service Provider may update this Privacy Policy from time to time. The Service Provider will notify you of material changes by posting the updated Privacy Policy with an effective date. Where required by law, the Service Provider will seek your consent to material changes before they take effect.
Previous versions of this Privacy Policy will be maintained and made available upon request by contacting the Service Provider at support@hisahashisaka.com.
This privacy policy is effective as of 2026-06-12
If you voluntarily provide information to the Service Provider and processing is based on consent, you may withdraw that consent at any time without affecting processing carried out before withdrawal.
If you have any questions regarding privacy while using the Application, or have questions about the practices, please contact the Service Provider via email at support@hisahashisaka.com. For general app help, see our Support page.
This privacy policy page was generated by App Privacy Policy Generator