Privacy Policy
Last updated: July 22, 2026
This page is a translation of the Japanese version. In the event of any discrepancy between this translation and the Japanese version, the Japanese version shall prevail.
This Policy explains how information is obtained, used, and stored by this App.
1. Information Handled by This App
This App may handle the following information.
Information You Input or Select
- The text of your words (memo entries)
- The text of your Notes
- Creation date and time, update date and time
- Data associated with your words or Notes
- Files you select for backup and restore (the contents of these files are not sent to us)
Information Related to App Settings
- Notification on/off setting
- Notification time setting
- Onboarding completion status
- Other in-app settings
This information is used primarily to maintain the user experience and provide the App's features.
2. Purposes of Use of Information
This App handles the following information for the purposes below, depending on the type of information.
Information You Input, Set, or Select
- Saving and displaying your words and Notes
- Providing the notification feature
- Providing the backup and restore features
- Maintaining in-app settings
- Other provision of the App's features and maintenance of the user experience
Usage information, crash information, device information, etc. obtained through Firebase Analytics and Firebase Crashlytics
- Improving the quality of the App
- Understanding usage conditions
- Analyzing and fixing issues
- Maintaining stable service operation
This App does not use the content of the words or Notes you input for advertising, usage analysis, quality improvement, or issue analysis purposes.
3. Regarding Data Storage
This App stores the words (memos), Notes, and settings information you input primarily on your own device.
At present, this App does not send or store the text of your words or Notes on a server managed by us.
When you use the backup feature, your words and Notes are exported as a JSON-format file and saved to the destination or sharing location you select.
When you use the restore feature, this App reads the backup file you select on your device. Any temporary copy created for this processing is deleted after it has been read.
This App does not send or store the backup file or its contents on a server managed by us.
If you select iCloud Drive or another external service as your save or sharing destination, the terms of service and privacy policy of that service provider will apply to how that service handles your information.
4. Regarding External Services
This App uses Firebase Analytics and Firebase Crashlytics for quality improvement and usage analysis.
These services may collect usage information, crash information, device information, and the like.
Information that may be collected:
- App usage
- Screen view events
- OS information
- Device type
- App version
- Notification setting change events
- Crash information, etc.
This App does not send personally identifiable information, such as your name or email address, to Firebase.
This App does not send the text of your words, the text of your Notes, the contents of backup files, file names, URIs, or save destination paths to Firebase Analytics or Firebase Crashlytics. In addition, this App does not set your App user ID as the user_id for Firebase Analytics or as a custom user identifier for Firebase Crashlytics.
Google's Privacy Policy:
https://policies.google.com/privacy
5. Regarding Notifications
This App uses local notifications.
Notifications may display part or all of the text of your words (memo entries) that you have saved.
These notifications may be displayed on your device's lock screen or in the notification center.
You can disable notifications yourself from your device settings or the in-app settings.
6. Regarding AI and Machine Learning
This App does not currently use the content of the words or Notes you input for AI training or machine learning.
In addition, at present, this App does not send the content of your words or Notes to an external AI service.
If AI-related features are added in the future, we will revise this Policy and provide the necessary notice.
7. Regarding Provision to Third Parties
This App does not provide the content of the words or Notes you input to third parties, except where required by law.
8. Security
This App strives to implement appropriate safeguards to prevent unauthorized access, information leakage, tampering, and the like.
9. Deletion of Data
You can delete the words and Notes stored in this App yourself.
Ordinarily, when you delete the App from your device, the data stored on the device is also deleted.
However, backup files that have been exported from this App and saved to the Files app, iCloud Drive, or another save destination are not automatically deleted when you delete the App. Please delete any backup files you no longer need from their save destination yourself.
10. Information Obtained through Inquiries, Registration for Updates, etc.
We may obtain your email address, the content you submit, and other information you send us through inquiries, registration for various forms of information, surveys, and the like.
Information obtained is used for the following purposes:
- Responding to inquiries
- Sending various forms of information
- Providing and improving the service
- Assessing demand
We do not use information obtained for any purpose other than those listed above.
11. Changes to this Policy
This Policy may be changed as necessary.
Any changes will take effect from the time the revised content is posted on this page.
12. Contact
For inquiries regarding this Policy, please contact us through "Feedback" within the App.