Yujin AI

Privacy Policy


Last Updated: December 26, 2025

About This Policy

Creative Information Pty Limited (ABN 001 627 498) (“we”, “us”, “our”, “Yujin AI”) operates the Yujin AI platform, an AI-powered personal assistant companion service. We are based in New South Wales, Australia, and are committed to protecting your privacy in accordance with the Privacy Act 1988 (Cth) and the Australian Privacy Principles (APPs).

This Privacy Policy explains how we collect, use, disclose, and protect your personal information when you use the Yujin AI service, including our website (yujin.ai) and mobile applications.

1. Information We Collect

1.1 Personal Information You Provide

When you register for and use Yujin AI, we collect:

Account Information:

  • First name, last name, and preferred name
  • Email address
  • Mobile phone number (for two-factor authentication)
  • Password (stored securely using industry-standard encryption)
  • Marketing communication preferences

Social Graph & Relationship Data:

  • Information about your family, friends, and acquaintances that you choose to share
  • Names, relationships, dates of birth, occupations, and contact details of people in your network
  • Connection links and relationship descriptions between people
  • Relationship intensity ratings and bond values
  • Personal notes and memories about people in your network

Lifestyle Profile Information:

  • Your interests, hobbies, and preferences (e.g., favorite movies, music, sports teams)
  • Work, leisure activities, and personal goals
  • Cultural background and aspirations
  • Educational history
  • Values and beliefs you choose to share

Calendar & Task Information:

  • Calendar events, reminders, and scheduling preferences
  • Task lists and personal notes
  • Event-driven triggers and notifications you configure

Communication & Conversation Data:

  • All conversations with your AI Companion
  • Messages, queries, and interactions within the platform
  • Conversational preferences and engagement patterns
  • Feedback on Companion personality and communication style

Payment Information:

  • Subscription payment details (processed through secure third-party payment providers)
  • Billing history and subscription status

1.2 Information Automatically Collected

Technical Information:

  • IP address, device type, and browser information
  • Operating system and device identifiers
  • Access times, referring websites, and pages visited
  • App usage patterns and feature interaction data
  • Cookies and similar tracking technologies

Location Information:

  • General location data (city and country) for personalisation
  • Time zone information for scheduling features

1.3 Information from Third Parties

With your explicit consent, we may collect:

  • Calendar data from integrated services (e.g., Google Calendar)
  • Contact information from social media platforms you choose to connect
  • News feeds and content related to your interests
  • Email data if you enable email triage or correspondence handling features

2. How We Use Your Information

2.1 Core Service Delivery

We use your personal information to:

  • Create and maintain your AI Companion with personalized memory and understanding
  • Build and maintain your LifeGraph (Personal Social Graph) and Lifestyle Profile
  • Generate contextually relevant conversations and interactions
  • Provide personal assistant features (reminders, calendar management, task scheduling)
  • Deliver news, content, and information aligned with your interests
  • Calculate relationship bond values and prioritize interactions
  • Learn and adapt to your communication preferences and conversational style
  • Provide calendar integration, event reminders, and birthday notifications

2.2 Service Improvement & Personalisation

We analyze usage patterns to:

  • Improve the AI Companion’s personality traits and conversational abilities
  • Optimize memory retention and contextual understanding
  • Enhance the accuracy of relationship mapping and social graph visualization
  • Develop new features and assistant capabilities
  • Conduct research on conversational AI and memory systems (in aggregated, de-identified form)

2.3 Account Management & Security

We use your information to:

  • Authenticate your identity and prevent unauthorized access
  • Send two-factor authentication codes
  • Manage your subscription and process payments
  • Communicate account updates, security alerts, and service notifications
  • Enforce our Terms and Conditions
  • Detect and prevent fraud, abuse, and security incidents

2.4 Communication

With your consent, we may:

  • Send promotional communications about new features or services
  • Conduct surveys to gather feedback on your experience
  • Share information about partner offerings that may interest you (without sharing your personal data with partners)
  • Send service-related announcements and updates

3. How We Share Your Information

3.1 We Do Not Sell Your Personal Information

Yujin AI does not sell, rent, or lease your personal information, conversation data, or social graph to third parties.

3.2 Service Providers

We may share limited information with trusted third-party service providers who assist us in operating our platform, including:

  • Cloud hosting and infrastructure providers
  • Payment processors (for subscription management)
  • Email and SMS delivery services (for authentication and notifications)
  • Analytics and performance monitoring tools
  • AI and machine learning infrastructure providers

All service providers are contractually required to:

  • Use your data only for the specific purposes we authorize
  • Maintain the confidentiality and security of your information
  • Comply with applicable privacy laws

3.3 Legal Requirements

We may disclose your information if required to:

  • Comply with applicable laws, regulations, or legal processes
  • Respond to lawful requests from government authorities or law enforcement
  • Protect the rights, property, and safety of Yujin AI, our users, or the public
  • Enforce our Terms and Conditions
  • Investigate suspected fraud, security incidents, or violations of our policies

3.4 Business Transfers

In the event of a merger, acquisition, reorganization, or sale of assets, your personal information may be transferred to the acquiring entity. We will notify you of any such change and any choices you may have regarding your information.

3.5 With Your Consent

We may share information with third parties when you explicitly authorize us to do so, such as:

  • Connecting your account to social media platforms
  • Integrating with calendar or email services
  • Enabling automatic gifting or messaging features

4. Data Security & Protection

4.1 Security Measures

We implement industry-standard security measures to protect your information, including:

  • Encryption: All passwords are encrypted using secure hashing algorithms; data in transit is protected using SSL/TLS protocols
  • UUID-based Identifiers: Non-sequential, unguessable unique identifiers for all database records
  • Access Controls: Role-based access restrictions and two-factor authentication
  • Secure Servers: Data stored on protected servers in controlled environments
  • Regular Security Audits: Ongoing monitoring and vulnerability assessments
  • SQL Injection Protection: Prepared statements for all database queries

4.2 Data Isolation

Each user’s data is logically isolated:

  • Your Social Graph and Lifestyle Profile are accessible only to you
  • Conversation history and memories are private to your account
  • Multi-user architecture ensures tenant isolation
  • No cross-user data sharing or access

4.3 Third-Party Payment Security

Credit card and payment information is processed by PCI-DSS compliant third-party payment processors. We do not store full credit card numbers on our servers.

5. Data Retention & Deletion

5.1 How Long We Keep Your Data

We retain your personal information for as long as:

  • Your account is active
  • Necessary to provide you with services
  • Required to comply with legal obligations
  • Needed to resolve disputes or enforce our agreements

5.2 Inactive Accounts

If you do not log in or use your account for two years, we will:

  • Send you a notification email requesting confirmation to keep your account active
  • If no response is received within 30 days, we will delete your account and associated data

You may place your subscription on hold for up to six months without deletion.

5.3 Account Deletion

You may delete your account at any time by:

  • Accessing your profile settings and selecting “Delete Account”
  • Contacting us at privacy@yujin.ai

Upon deletion:

  • Your account, Social Graph, conversation history, and personal data will be permanently deleted
  • Some information may be retained in anonymized or aggregated form for research and service improvement
  • We may retain certain data for a limited period to comply with legal obligations or resolve disputes

5.4 Free Trial Accounts

If you do not subscribe after your 30-day free trial, your Companion’s memory will be deactivated, and your data will be deleted after an additional 30 days unless you reactivate your subscription.

6. Your Privacy Rights

Under Australian privacy law, you have the right to:

6.1 Access Your Information

Request a copy of the personal information we hold about you.

6.2 Correct Your Information

Request correction of inaccurate or incomplete personal information.

6.3 Delete Your Information

Request deletion of your account and personal data (subject to legal retention requirements).

6.4 Opt-Out of Marketing

Unsubscribe from promotional communications at any time (you will continue to receive essential service notifications).

6.5 Withdraw Consent

Withdraw consent for specific data processing activities, such as social media integrations or interest-based content feeds.

6.6 Complain

Lodge a complaint with the Office of the Australian Information Commissioner (OAIC) if you believe we have breached your privacy rights.

To Exercise Your Rights:

  • Email us at privacy@yujin.ai
  • Access your account settings to update preferences
  • Use the unsubscribe link in marketing emails

We will respond to your request within 30 days and may require identity verification before processing.

7. Cookies & Tracking Technologies

7.1 What Are Cookies?

Cookies are small text files placed on your device by websites you visit. They help us:

  • Remember your login status and preferences
  • Personalize your experience
  • Analyze website traffic and usage patterns
  • Improve our services

7.2 Types of Cookies We Use

  • Essential Cookies: Required for authentication and basic functionality
  • Preference Cookies: Remember your settings and choices
  • Analytics Cookies: Help us understand how users interact with our platform
  • Marketing Cookies: Track your engagement with promotional content (with your consent)

7.3 Managing Cookies

You can control cookies through your browser settings:

  • Most browsers allow you to block or delete cookies
  • Disabling certain cookies may limit your ability to use some features of Yujin AI
  • For more information, visit your browser’s help section

8. Children’s Privacy

Yujin AI is not intended for use by individuals under the age of 18. We do not knowingly collect personal information from children. If we become aware that a child has provided us with personal information, we will delete it immediately.

Parents or guardians who believe their child has provided information to us should contact privacy@yujin.ai.

9. International Data Transfers


Your data is stored on secure servers in a U.S. data-center operated by our hosting provider, DreamHost. We follow industry best practice so that appropriate technical and organisational measures are in place to protect your information regardless of where it is stored.

By using Yujin AI, you consent to your data being stored and processed in accordance with this Privacy Policy. Your rights under Australian privacy law continue to apply, and you may contact us at privacy@yujin.ai with any questions about data storage or security.


    10. AI & Machine Learning

    10.1 How AI Uses Your Data

    Your conversations and personal information are used to:

    • Train your individual AI Companion’s memory and personality
    • Improve conversational understanding and contextual awareness
    • Personalize responses based on your preferences and history

    10.2 Aggregated Learning

    We may use aggregated, de-identified data from all users to:

    • Improve overall AI model performance
    • Develop new features and capabilities
    • Conduct research on conversational AI systems

    Your individual conversations are never shared with other users or used to train other users’ Companions.

    10.3 Personality Traits & Behavioral Learning

    The system learns your preferences for:

    • Conversational tone and style
    • Personality trait emphasis (e.g., humor, empathy, forthrightness)
    • Interaction timing and engagement patterns

    This learning is specific to your account and is not shared across users.

    11. Third-Party Integrations

    11.1 Optional Integrations

    Yujin AI may offer integrations with third-party services such as:

    • Google Calendar
    • Social media platforms (Facebook, Instagram, LinkedIn, Twitter/X)
    • Email providers
    • News and content aggregation services

    11.2 Your Consent Required

    All third-party integrations require your explicit consent. You can:

    • Enable or disable integrations at any time
    • Review what data is shared with each service
    • Revoke access to third-party services from your account settings

    11.3 Third-Party Privacy Policies

    When you connect third-party services:

    • You are subject to those services’ privacy policies
    • We are not responsible for how third parties handle your data
    • We encourage you to review their privacy policies before connecting

    12. Changes to This Privacy Policy

    We may update this Privacy Policy from time to time to reflect:

    • Changes in our practices or services
    • Legal or regulatory developments
    • Technological advancements

    When we make significant changes:

    • We will update the “Last Updated” date at the top of this policy
    • We will notify you via email or through the platform
    • Continued use of Yujin AI after changes constitutes acceptance of the updated policy

    You can always access the current version of this policy at yujin.ai/privacy.

    13. Contact Us

    If you have questions, concerns, or requests regarding this Privacy Policy or our data practices:

    Email: privacy@yujin.ai
    Website: yujin.ai
    Mail:
    Creative Information Pty Limited
    Attention: Privacy Officer
    29 Alpha Road
    Willoughby, NSW 2068
    Australia

    For Privacy Complaints:

    If you are not satisfied with our response to your privacy concern, you may contact the Office of the Australian Information Commissioner (OAIC):

    Website: www.oaic.gov.au
    Phone: 1300 363 992
    Email: enquiries@oaic.gov.au

    14. Consent & Acknowledgment

    By using Yujin AI, you acknowledge that:

    • You have read and understood this Privacy Policy
    • You consent to the collection, use, and disclosure of your personal information as described
    • You understand your rights and how to exercise them
    • You agree to our Terms and Conditions

    For users who registered before this policy came into effect: Continued use of Yujin AI constitutes acceptance of this policy.