This Privacy Policy describes how Liubi ("Liubi," "we," "us," or "our") collects, uses, stores, and shares personal information when you use the Liubi mobile application and related services.
Liubi is a habit and challenge tracking app. To provide the app, we process some information on our backend services and some information locally on your device.
We collect only the information necessary to provide the app's features, account access, premium purchases, and security protections.
| Category | Data Collected |
|---|---|
| Account Information | Your email address |
| Credentials | A hashed version of your password (it cannot be reversed) |
| Social Login Information | Opaque identifiers provided by Apple or Google and the identity token used to sign you in |
| Purchase Information | Apple transaction identifiers, product identifiers, purchase dates, and receipt or signed transaction data for premium purchases |
| Challenge Content | Challenge data you create in the app, such as challenge names, settings, progress, and completion history |
| Local Notes and Reminder Preferences | Day notes you write in the app and reminder settings you choose; these are stored locally on your device |
| Technical and Security Data | Your IP address and browser or app user-agent string, captured automatically for security, fraud prevention, and audit purposes |
We do not collect for tracking or advertising purposes:
We use your information only for the following purposes:
Some data is stored locally on your device to support the app experience:
UserDefaultsIf you share an exported PDF through the iOS share sheet, the selected destination app or service will process that file under its own privacy practices.
We do not sell or rent your personal information. We share information only as needed to operate the app:
We do not share your information with third parties for cross-app tracking or advertising.
We use technical and organizational safeguards designed to protect your information:
No system can be guaranteed to be 100% secure, but we use reasonable safeguards appropriate to the nature of the data we process.
We retain data only as long as necessary to provide the app and comply with legal, security, and operational requirements.
| Data Type | Retention Period |
|---|---|
| Deleted Accounts | 30-day grace period, then permanent deletion |
| Audit Logs | 30 days, then automatic deletion |
| JWT Access Tokens | 60 minutes |
| Refresh Tokens | 30 days or until revoked |
| Email Verification Tokens | 24 hours |
| Password Reset Tokens | 1 hour |
Data stored only on your device, such as local notes, reminder settings, and temporary exported PDF files, generally remains on your device until you delete it, remove the app, or overwrite that data through app use.
Depending on your location, you may have rights regarding your personal information, including the right to:
You can also:
To exercise privacy rights, contact us using the details below.
Liubi is a general-audience app and is not directed to children. We do not knowingly collect personal information from children under 13, or under a higher minimum age where required by applicable law. If you believe a child has provided us with personal information, contact us and we will investigate and delete the information where appropriate.
If you use Liubi from outside the country where our services are operated, your information may be processed and stored in other countries where we or our service providers operate. We take steps designed to protect personal information in accordance with applicable law.
We may update this Privacy Policy from time to time to reflect changes in the app, our practices, or legal requirements. If we make material changes, we will provide notice within the app or by other appropriate means. The "Last Updated" date at the top of this policy indicates when this Privacy Policy was most recently revised.
If you have questions about this Privacy Policy or want to exercise your privacy rights, contact us at:
Email: contact@liubiapp.com