Privacy Policy

Last Updated: October 28, 2026

1. Introduction

Welcome to Kasumi. We respect your privacy and are committed to protecting information associated with your use of our mobile application.

This Privacy Policy explains how information may be processed, stored, and handled when you use Kasumi, a mobile application designed to organize kitchen knives, sharpening stones, maintenance sessions, and blade angle references.

2. Information Processed by the Application

Depending on the features you use, Kasumi may process the following information:

• Knife names, models, blade materials, and sharpening angles.
• Sharpening stone details, grit levels, and maintenance records.
• Sharpening session dates, durations, steps, and personal notes.
• Usage counters and maintenance reminders.
• Application settings and preferences.
• Technical or diagnostic information, if collected by integrated services.

Information entered into the application is used to support its recordkeeping and maintenance features.

3. How Information Is Used

Application information may be used to:

• Maintain your personal knife collection.
• Organize sharpening stones and their condition.
• Record sharpening sessions and completed steps.
• Display blade angle references.
• Calculate usage and maintenance intervals.
• Provide optional reminders.
• Maintain application functionality and stability.

4. Data Storage

Kasumi may store knife records, stone information, sharpening history, and application settings locally on your device.

Depending on your operating system configuration, locally stored information may be included in device backups.

Any external synchronization or cloud storage must be disclosed if implemented in the published application.

5. Device Permissions

Kasumi may use device features necessary for its functionality.

Notification permission may be requested if you enable sharpening or maintenance reminders.

The angle reference feature may use device motion or orientation sensors to display blade positioning information.

Permissions can be reviewed or managed through your device settings where supported.

6. Advertising and Third-Party Services

Kasumi may display advertisements provided by third-party advertising services.

Such services may process technical information, including device identifiers, advertising identifiers, approximate location derived from network information, and advertising interaction data, depending on their configuration and applicable consent choices.

Third-party services operate under their respective privacy policies.

Where Google AdMob is used, additional information is available at:

https://policies.google.com/privacy

7. Analytics and Diagnostics

If analytics or diagnostic services are enabled, they may process technical information relating to application performance, errors, and usage.

Such information is used to maintain application reliability and identify technical problems.

The exact categories of information processed depend on the services included in the published version.

8. Information Sharing

Information may be processed by authorized service providers supporting advertising, diagnostics, or other application operations.

We do not sell user-created knife or sharpening records as part of the application's ordinary functionality.

Any disclosure of personal information is subject to applicable legal requirements.

9. Data Security

We take reasonable measures to protect information processed through Kasumi from unauthorized access, alteration, loss, or disclosure.

However, no electronic storage or transmission method can guarantee complete security.

10. Children's Privacy

Kasumi is not designed to knowingly collect personal information from children without any consent required by applicable law.

If information has been collected improperly, appropriate steps will be taken to address or delete it.

11. Data Retention and Deletion

Locally stored records may be removed using available application controls or by uninstalling the application, subject to device backup behavior.

Information processed by third-party providers may be retained according to their applicable privacy policies and legal obligations.

12. Your Privacy Rights

Depending on your location, you may have rights to request access, correction, deletion, or restriction of processing of personal information.

You may also have the right to object to certain processing activities or withdraw consent where applicable.

Requests may be submitted through the developer's official support contact.

13. International Data Processing

Third-party service providers may process information in countries outside your place of residence.

Where required, appropriate safeguards will be used for international transfers of personal information.

14. Changes to This Privacy Policy

We may update this Privacy Policy to reflect changes in application features, technical services, or legal requirements.

Updates will be reflected by revising the date at the beginning of this document.

15. Contact Us

For questions about this Privacy Policy or information processing within Kasumi, please contact the developer using the support information provided on the application's official store listing.