Privacy Policy

1. Information Collection

This App does not collect or store user-input information on servers. All data processing is performed directly within the app or through external services (e.g., OpenAI API, Firebase) as needed.

Information Collected During App Usage

• Device Information: OS version, device model, etc.
• Usage Information: Operation logs, error logs, etc. (collected anonymously through Firebase).

2. Purpose of Information Use

The collected information is used for the following purposes:

1. App provision and service improvement
2. Generation of personalized feedback based on journal content
3. Usage analysis and usability improvement
4. Support and inquiry response

3. Third-Party Information Sharing

This App may provide information to third parties for the following purposes:

Use of OpenAI API

• This App uses the OpenAI ChatGPT API to generate feedback based on journal content.
• All information entered in the app may be sent to OpenAI.
• Please refer to OpenAI's Terms of Service, Privacy Policy, and API Data Usage Policy for details.

Use of Firebase

• This App uses Firebase for usage analysis and service improvement.
• Information collected through Firebase is anonymized and does not identify individuals.
• Please refer to Firebase's Privacy Policy for details.

4. Data Retention Period

Collected information is retained only for the period necessary to achieve the purposes of use. Information that has exceeded the retention period will be promptly deleted or anonymized.

5. Security

This App implements appropriate technical and organizational security measures to protect collected information. However, we cannot guarantee complete security.

6. Changes to Privacy Policy

This Policy may be revised as necessary. Revisions will be notified within the app or on the website. Continued use of the App after notification constitutes agreement to the revised Policy.