Privacy Policy

Last Updated: 2025-11-18

This Privacy Policy explains how this application handles user data in accordance with the Japanese APPI (Act on the Protection of Personal Information) and the EU GDPR (General Data Protection Regulation). This app is a personal diary tool; data is never shared, sold, or used for advertising.

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1. Data We Collect

Users may choose whether to provide the following data:

1. Images

Used to store diary entries. Images may be saved locally or in cloud services chosen by the user.

2. Location Data

Collected through place_picker_google or system APIs, only when the user manually selects a location.

3. Health & Activity Data

Such as step count, used only to enhance diary entries.

4. Calendar Data

Allows users to link events to diary entries.

5. Analytics Data (Firebase Analytics)

Used exclusively for performance analysis and product improvement. All data is anonymized or de-identified.

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2. How We Use Data

We use collected data only for:

• Providing diary-related features

• Improving app performance and user experience

• Ensuring security and functionality

• Anonymous statistical analysis

We never use data for advertising, tracking, or sharing with third parties.

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3. Data Storage & Security

• Data may be stored locally or in user-selected cloud services.

• Anonymous analytics data may be processed on Firebase servers (including overseas servers).

• We implement appropriate technical and organizational measures under APPI & GDPR.

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4. Third-Party Services

The app uses the following services:

• Firebase Analytics

Anonymous usage analytics.

• place_picker_google

Location selection functionality.

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5. User Rights (GDPR & APPI)

Users have the right to:

• Access their stored data

• Request correction or deletion

• Withdraw permissions (location, health data, etc.)

• Request restriction of processing

• Export diary data stored locally

Please contact us through the app’s support feature for such requests.

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6. Data Retention

• Diary and media data are kept until the user deletes them.

• Analytics retention follows Firebase’s default policies.

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7. Children’s Privacy

This app is not intended for children under 13 and does not knowingly collect children’s data.

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8. Policy Updates

This policy may be updated periodically due to feature changes or legal requirements. Updates will take effect immediately upon publication within the app.

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9. Contact

For any questions regarding this policy, please contact us via the in-app support channel.