Haohin respects your privacy and is committed to protecting your personal information. This Privacy Policy explains how Haohin (“Haohin,” “we,” “us,” or “our”) collects, uses, stores, shares, and protects information when you visit Haohin.com, create an account, purchase a subscription, or use our Chinese language learning services and features.

By using Haohin, you acknowledge the practices described in this Privacy Policy.

1. Information We Collect

We may collect the following categories of information:

Account Information

When you create or manage an account, we may collect:

  • Name
  • Email address
  • Phone number, if provided
  • Account and profile information
  • Login and authentication information
  • Learning and Usage Data

When you use Haohin, we may collect information related to your learning activity, including:

  • Lessons accessed or completed
  • Learning progress
  • Practice history
  • Pronunciation scores and results
  • Review activity
  • Learning preferences
  • Interactions with features and content

This information allows us to maintain your learning progress and improve your experience on Haohin.

Voice and Pronunciation Data

Certain Haohin features allow you to record your voice to practice Chinese pronunciation.

When you choose to use these features, we may process your audio recordings and related pronunciation data in order to:

  • Analyze your pronunciation
  • Evaluate pronunciation accuracy
  • Generate scores and feedback
  • Help you identify pronunciation errors
  • Improve the performance and reliability of pronunciation-related features

We only process voice data when you actively use a feature that requires microphone access or submit an audio recording.

Microphone access is subject to the permissions you grant through your browser or device.

Payment and Transaction Information

When you purchase a subscription or other paid service, payments may be processed by third-party payment service providers.

Depending on the payment method, we may receive information such as:

  • Transaction ID
  • Payment status
  • Purchase amount
  • Subscription information
  • Billing information
  • Transaction date

Haohin does not necessarily receive or store your complete credit or debit card details when payment information is processed directly by a third-party payment provider.

Technical Information

When you access Haohin, we may automatically collect certain technical information, including:

  • IP address
  • Browser type
  • Device type
  • Operating system
  • Language settings
  • Access times
  • Pages and features accessed
  • Cookies and similar technologies
  • Diagnostic, security, and performance data

2. How We Use Your Information

We may use personal information to:

  • Create, authenticate, and manage user accounts
  • Provide access to Chinese learning content and services
  • Maintain learning progress and practice history
  • Provide pronunciation analysis and AI-powered feedback
  • Process purchases, subscriptions, renewals, and refunds
  • Provide customer and technical support
  • Send important account and service communications
  • Improve lessons, features, and user experience
  • Analyze service performance and usage
  • Maintain the security and integrity of Haohin
  • Detect fraud, abuse, unauthorized access, or violations of our Terms
  • Comply with applicable legal and regulatory obligations

Where required by applicable law, we will rely on an appropriate legal basis for processing personal information, such as performance of a contract, legitimate interests, compliance with legal obligations, or your consent.

3. Cookies and Similar Technologies

Haohin may use cookies and similar technologies to operate and improve the service.

These technologies may be used to:

  • Keep users signed in
  • Remember preferences
  • Maintain account sessions
  • Protect accounts and prevent abuse
  • Understand how the platform is used
  • Measure and improve performance

Where required by applicable law, we will request consent before using non-essential cookies or similar technologies.

You may also be able to manage cookies through your browser settings. Disabling certain cookies may affect the functionality of Haohin.

4. How We Share Information

We do not sell or rent your personal information.

We may share or provide access to information when reasonably necessary with:

Service Providers

We may use third-party providers for services such as:

  • Cloud hosting and infrastructure
  • Data storage
  • Payment processing
  • Email delivery
  • Analytics
  • Security and fraud prevention
  • Customer support
  • Technical services necessary to operate certain Haohin features

These providers may process information only as necessary to provide their services to Haohin and subject to applicable contractual and legal requirements.

Legal Requirements

We may disclose information when we reasonably believe disclosure is required to:

  • Comply with applicable laws or legal processes
  • Respond to lawful requests from public authorities
  • Protect the rights, property, or safety of Haohin, our users, or others
  • Investigate fraud, abuse, security incidents, or violations of our Terms
  • Business Transfers

If Haohin is involved in a merger, acquisition, restructuring, financing, sale of assets, or similar business transaction, information may be transferred as part of that transaction, subject to applicable law.

5. Data Retention

We retain personal information only for as long as reasonably necessary for the purposes described in this Privacy Policy.

Retention periods may depend on factors such as:

  • How long your account remains active
  • The type of information involved
  • The purposes for which it was collected
  • Security and fraud-prevention requirements
  • Legal, accounting, or regulatory requirements
  • The need to resolve disputes or enforce agreements

When information is no longer required, we may delete or anonymize it in accordance with applicable law and our data retention practices.

6. Data Security

Haohin uses reasonable administrative, technical, and organizational safeguards designed to protect personal information against unauthorized access, disclosure, alteration, loss, misuse, or destruction.

However, no internet transmission, electronic storage system, or security measure can guarantee absolute security.

Users are responsible for maintaining the confidentiality of their account credentials and should notify Haohin if they believe their account has been accessed or used without authorization.

7. Your Privacy Rights

Depending on where you live, applicable privacy laws may provide you with certain rights regarding your personal information.

These may include the right to:

  • Access your personal information
  • Correct inaccurate or incomplete information
  • Request deletion of your personal information
  • Request restriction of certain processing
  • Object to certain processing
  • Withdraw consent where processing is based on consent
  • Request a portable copy of certain information
  • Opt out of certain marketing communications
  • Lodge a complaint with an applicable data protection authority

These rights may be subject to limitations and exceptions under applicable law.

To exercise a privacy right, contact us using the information provided in the “Contact Us” section below.

We may request information necessary to verify your identity before processing certain requests.

8. International Data Transfers

Haohin may provide services to users in different countries.

As a result, personal information may be processed or stored in countries other than the country in which you reside, including locations where our service providers operate.

Where required by applicable law, we take appropriate measures designed to protect personal information transferred internationally.

9. Children's Privacy

Haohin is not intended for children who are below the minimum age required to independently consent to the processing of personal information under applicable law.

We do not knowingly collect personal information from children in violation of applicable privacy laws.

If you believe that a child has provided personal information to Haohin without the consent required by applicable law, please contact us so that we can review the situation and take appropriate action.

10. Third-Party Services and Links

Haohin may contain links to or integrate with third-party websites, applications, payment providers, or other services.

Those third parties operate under their own privacy policies and practices. Haohin is not responsible for the privacy practices of independent third-party services.

We encourage users to review the privacy policies of third-party services before providing personal information to them.

11. Marketing Communications

If you choose to receive promotional emails or other marketing communications from Haohin, you may opt out at any time by using the unsubscribe mechanism provided in the communication or by contacting us.

You may continue to receive essential service communications related to your account, payments, security, or changes to our services even if you opt out of marketing communications.

12. Account and Data Deletion

You may request deletion of your Haohin account and associated personal information by contacting us.

Following a valid deletion request, we will delete or anonymize applicable personal information unless we are required or permitted to retain certain information for legitimate purposes, including:

  • Legal and regulatory compliance
  • Financial and transaction records
  • Fraud prevention
  • Security
  • Dispute resolution
  • Enforcement of our agreements

13. Changes to This Privacy Policy

We may update this Privacy Policy periodically to reflect changes to Haohin, our data practices, technology, or applicable legal requirements.

When we make material changes, we may provide notice through Haohin, by email, or through another appropriate method.

The updated Privacy Policy will become effective on the date indicated at the top of the policy unless otherwise stated.

We encourage you to review this Privacy Policy periodically.

Contact Us

If you have questions, concerns, complaints, or requests regarding this Privacy Policy or your personal information, please contact:

  • Haohin
  • Ha Long, Quang Ninh, Vietnam
  • Website: Haohin.com
  • Email: hello@haohin.com
  • Hotline: +84 332 173 313