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Privacy Policy

Last updated: May 2, 2026

Thank you for using TimeGlass ("the App"), developed by TimeGlass Developer ("we", "us", or "our"). This Privacy Policy explains how we collect, use, and protect your information when you use our App.

1. Information We Collect

We collect the following types of information:

• Date of birth and target lifespan: Stored locally on your device to calculate your life countdown.
• Countdown settings: Start date and target date are stored locally on your device when customized by the user.
• Bucket list items: Stored in the cloud via your Google Account (Firebase Firestore) to enable data backup and device transfer.
• Google Account information: Your name and email address are collected when you sign in with Google, solely for the purpose of identifying your account and syncing your data.

2. How We Use Your Information

We use the information we collect to:

• Calculate and display your life countdown
• Save and sync your bucket list across devices
• Identify your account for data management

We do not sell, rent, or share your personal information with third parties for marketing purposes.

3. Data Storage

• Local data: Your date of birth, gender, target lifespan, and any customized countdown dates (start date / target date) are stored on your device only.
• Cloud data: Your bucket list items are stored securely using Google Firebase Firestore.

4. Third-Party Services

The App uses the following third-party services:

• Google Firebase — for authentication and cloud data storage. Firebase Privacy Policy
• Google AdMob — for displaying advertisements. Google Privacy Policy
• Google Sign-In — for user authentication.

5. Advertising

The App displays a banner advertisement at the bottom of the screen via Google AdMob. AdMob may collect and process the following information to select, deliver, and measure ads, and to detect invalid clicks:

• Advertising ID (Android Advertising ID)
• IP address
• Device information (OS, model, language, screen size, approximate location, etc.)
• Ad interaction history (impressions, clicks, etc.)

Consent for users in the EEA, UK, and Switzerland

Where consent is legally required (EEA / UK / Switzerland), the App displays Google's User Messaging Platform (UMP) consent form on the first launch. Personalized or non-personalized ads will be served depending on the user's choice. Users in other regions, including Japan, will not see this form.

How to opt out of personalized ads

• Android: Go to Settings → Google → Ads, then reset your advertising ID or opt out of ad personalization.
• Withdrawing consent: Users in regions where the consent form is shown can contact us using the address below to withdraw consent. We are considering adding an in-app option to revisit consent in a future update.
• Learn more: See Google's Advertising Privacy & Terms for details.

This App is not part of the Google Designed for Families program and is not intended for children (we do not knowingly target users under 13).

6. Children's Privacy

The App is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe we have inadvertently collected such information, please contact us immediately.

7. Data Retention and Deletion

You can delete your account and all associated data at any time from within the App's settings. Upon deletion, all cloud-stored data will be permanently removed.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated date. We encourage you to review this page periodically.

9. Contact Us

If you have any questions or concerns about this Privacy Policy, please contact us at:

📧 pointsyusyu+timeglass@gmail.com

TimeGlass — Live each day with intention.