Quant AI Privacy Policy

Last Updated November 7, 2025Effective Date November 7, 2025

Table of Contents

We do not use the content you submit or your personal data to train AI models.

Your conversation content is used only to provide the real-time responses required to deliver the service. It is not used for model training or optimization.

This Privacy Policy explains how Quant AI collects, uses, stores, shares, and protects your personal information when you use our products and services.

This policy applies to the products and services we make available through our websites, applications, APIs, and related channels.

For a quick overview of what data we collect and why, check our Personal Information Collection List for more detail on the categories of information we collect and the purposes for which we use it.

1. Information We Collect and How We Use It

To complete account registration, login, and identity verification, and to help keep your account secure, you need to register and log in before using certain features. You may do so using an email address and password or an email one-time code (OTP).

In this process, we use your email address for account creation, identity verification, account security management, and essential service communications.

You may also choose to log in with an eligible third-party account, such as Google or Apple. With your authorization, we will obtain the account information that is necessary to create or link your Quant AI account, such as your avatar, display name, email address, and other information you expressly authorize us to access.

1.2 AI Conversation Services

When you use AI conversation and related features, we process the content you submit during those interactions, including text, images, and files, in order to understand your request, context, and intended use case and to generate the relevant response or service result.

We do not use your data to train AI models. Your conversation content is used only to provide the real-time responses necessary to deliver the Service and is not used for model optimization, training, or other unrelated purposes.

We recommend that you avoid providing unnecessary sensitive personal information in AI conversations. If the information you submit includes another person's personal information, you should ensure that you have the lawful right and authorization to provide it.

1.3 Feedback

When you submit questions, suggestions, or complaints through the feedback feature, we process the issue description, supporting materials, and any contact information you choose to provide so that we can review the matter, communicate with you, and provide a response.

1.4 Operations and Security

To protect account security, maintain stable operation of the Service, and improve service quality, we automatically collect certain operational and log information generated when you use the Service, including:

Device Information: Hardware model, operating system version, device identifiers, IP address
Software Information: Software version, network access method, type, and status
Log Information: Operation logs, usage logs, service logs
Performance Data: Page operation status, usage frequency, crash information

2. Cookies and Similar Technologies

We may use cookies, web beacons, and similar technologies to collect information about how you use the Service. These technologies help us to:

Authentication: Remember your login status so you don't have to log in repeatedly
Security: Detect and prevent fraudulent activity and enhance the security of our Service
Preferences: Remember your settings and preferences to provide a personalized experience
Analytics: Understand how you use our Service to improve functionality and user experience

You can manage cookies through your browser settings. Most browsers allow you to refuse cookies or delete existing cookies, although doing so may affect the availability or functionality of certain parts of the Service. We will respect "Do Not Track" signals to the extent applicable.

We do not sell your personal information. We share personal information with third parties only in the following limited circumstances:

Service Providers: We may share information with trusted third-party service providers who perform services on our behalf (such as hosting, analytics, and customer support)
Legal Requirements: We may disclose information when required by law, legal process, or government request
Business Transfers: If we are involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction
With Your Consent: We may share information with third parties when you explicitly consent to such sharing

You can learn more about the specific third-party services we use through our Third-Party Information Sharing List, which provides additional detail about the third-party services we integrate and the purposes they serve.

3.2 Data Protection Standards

Before sharing your information with a third party, we require appropriate security measures and restrict the processing of that information to the agreed purpose and necessary scope. We also carry out reasonable assessments of our service providers to confirm that they meet applicable security and data protection standards.

4. Data Security

We take the security of your personal information seriously and implement safeguards that are appropriate to the nature of the data, the business scenario, and the current state of technology, in order to reduce the risk of unauthorized access, disclosure, use, alteration, or loss:

Encryption: We use encryption technologies (such as TLS/SSL) to protect data in transit and at rest
Access Controls: We implement strict access controls and authentication mechanisms to prevent unauthorized access
Security Monitoring: We continuously monitor our systems for potential security threats and vulnerabilities
Data Minimization: We collect only the information necessary to provide our services
Employee Training: Our employees receive regular training on data protection and security best practices

Data Breach Notification

If an incident occurs that may affect the security of your personal information, we will take containment and remedial measures as required by applicable law and, where required or appropriate, notify you of the nature of the incident, the categories of information affected, the measures we have taken or plan to take, and suggestions for protecting yourself.

5. Data Retention and Storage

5.1 Storage Location

Your personal information is stored in server environments with appropriate security capabilities. To support service availability, stability, and performance, data may be processed or stored in different locations. Regardless of where processing takes place, we apply appropriate safeguards to protect your information.

5.2 Storage Period

We determine retention periods based on service purpose, legal obligations, dispute resolution needs, and operational necessity, and we keep personal information only for as long as necessary to fulfill those purposes:

Account Information: Retained during the active period of your account and deleted within 7 days after account cancellation. This includes basic information such as username and email address.
Conversation Records: Retain the most recent 90 days of conversation history to allow you to view past interactions. Records older than 90 days will be automatically anonymized or deleted.
Device Information: Device identifiers and other information are retained for 30 days, mainly used for security analysis and troubleshooting.
Log Information: Operation logs and application logs are retained for 30 days and will be automatically cleared thereafter.
Payment Information: We do not store sensitive payment account details such as card numbers. We may retain necessary order/transaction records (e.g., time, amount, order ID) for up to 7 years for reconciliation, risk control, or legal compliance.
Cookie Information: Essential cookies last until the end of the session, while functional cookies are retained for a maximum of 13 months.

After you delete your account, we will delete or anonymize information directly associated with your identity within a reasonable period, and where relevant information is stored with third-party service providers, we will also take steps to request corresponding deletion where applicable. Information that must be retained under law, regulation, or legitimate compliance requirements may be kept for a longer period before being deleted or otherwise handled.

6. Your Privacy Rights

Depending on your location and the privacy laws that apply to you, including GDPR, CCPA/CPRA, and similar regulations, you may have the following rights in relation to your personal information:

Right to Know: To understand how we collect, use, disclose, and otherwise process your personal information
Right to Access: To request access to and receive a copy of your personal information
Right to Portability: To request, where applicable, that your personal information be transferred to another service provider
Right to Correction: To request correction of inaccurate or incomplete personal information
Right to Deletion: To request deletion of your personal information, subject to applicable exceptions
Right to Opt-Out: To opt out of certain sharing or processing arrangements where applicable (note: we do not sell your personal information)
Right to Non-Discrimination: Not to be treated unfairly for exercising your privacy rights in accordance with law

How to Exercise Your Rights

If you would like to exercise any of these rights, please contact us using the methods described in this policy.

Account Deletion

You may request deletion of your account at any time. Before doing so, please note that certain features, records, or entitlements associated with the account may no longer be recoverable once deletion is completed.

7. Age Restriction (16+)

The Service is intended only for users who are 16 years of age or older.

We do not knowingly collect personal information from individuals under 16.

If we learn that we have collected personal information from an individual under 16, we will take steps to delete or de-identify it as soon as reasonably possible. If you believe we may have collected such information, please contact us using the contact information in this Policy.

8. International Data Transfers

Where cross-border service delivery is involved, your personal information may be transferred to, stored in, or processed in jurisdictions outside your country or region of residence. Data protection requirements in those jurisdictions may differ from those in your own.

Where international data transfers take place, we implement safeguards appropriate to the applicable legal and regulatory requirements to help ensure that your personal information remains protected. These safeguards may include:

Standard Contractual Clauses approved by relevant authorities
Ensuring the recipient country has adequate data protection laws
Obtaining your explicit consent for the transfer

We will continue to monitor and comply with applicable legal requirements relating to international data transfers.

9. Changes to This Policy

We may update this Privacy Policy from time to time to reflect changes in our products, service processes, legal obligations, regulatory requirements, or other relevant circumstances. If an update is likely to materially affect your rights or interests, we may notify you through appropriate channels, such as:

Posting the updated Policy on our website or product pages with a new "Last Updated" date
Displaying a prominent in-service notice or in-app message
Where appropriate and necessary, contacting you through the contact details you have provided

We encourage you to review this Policy periodically. If you continue to use the Service after an updated version becomes effective, that will generally mean that you understand and accept the updated policy. If you do not agree with the update, you may stop using the Service or request deletion of your account.

10. Contact Us

If you have any questions, comments, or requests regarding this Privacy Policy, our personal information handling practices, or the exercise of your privacy rights, you may contact us through the following channels:

Email: [email protected]

In-App Support: Use the "Contact Us" feature in the app after signing in

We will review and respond to your request within a reasonable period.