Privacy Policy

01 Introduction

MFJip612 ("we," "our," or "us") operates Sentence Gymnasium (the "Service"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Service.

We are committed to protecting your privacy and handling your personal data with transparency and care. By using the Service, you consent to the practices described in this Privacy Policy.

02 Information We Collect

2.1 Personal Information

We may collect the following categories of personal information:

• Contact Information: Name, email address, and other information you provide during registration;
• Account Information: Username, password, profile information, and account preferences;
• Payment Information: Billing address and payment method details (processed by third-party payment processors; we do not store full payment card numbers);
• User Content: Sentences, responses, and other content you submit for AI evaluation and training purposes.

2.2 Automatically Collected Information

When you access or use the Service, we automatically collect certain information, including:

• Device Information: IP address, browser type, operating system, device identifiers;
• Usage Data: Pages visited, features used, time spent on the Service, clickstream data;
• Location Information: General geographic location derived from your IP address;
• Cookies and Similar Technologies: We use cookies and similar tracking technologies to enhance your experience and analyze Service usage.

03 How We Use Your Information

We use the information we collect for the following purposes:

• To provide, maintain, and improve the Service;
• To process transactions and manage your subscriptions;
• To generate personalized AI-powered feedback and learning recommendations;
• To communicate with you about your account, updates, and promotional materials (with your consent where required);
• To monitor and analyze usage patterns and trends to improve user experience;
• To detect, prevent, and address technical issues, fraud, and security incidents;
• To comply with legal obligations and enforce our Terms and Conditions.

04 Legal Basis for Processing (GDPR and Similar Laws)

If you are located in the European Economic Area (EEA), the United Kingdom, or other jurisdictions with similar data protection laws, we process your personal data based on the following legal grounds:

• Performance of a Contract: Processing necessary to provide the Service under our Terms and Conditions;
• Legitimate Interests: Processing necessary for our legitimate interests, such as improving the Service and ensuring security, provided these interests are not overridden by your rights;
• Consent: Processing based on your explicit consent, which you may withdraw at any time;
• Legal Obligation: Processing necessary to comply with applicable laws and regulations.

05 How We Share Your Information

We do not sell your personal information. We may share your information in the following circumstances:

• Service Providers: With third-party vendors and service providers who perform services on our behalf, such as payment processing, data analysis, email delivery, and customer support;
• AI Processing: User input data is processed through our self-hosted AI/ML infrastructure. No personal data is shared with external AI service providers;
• Legal Compliance: When required by law, regulation, legal process, or governmental request;
• Business Transfers: In connection with a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction;
• With Your Consent: We may share your information with third parties when you have given us your explicit consent to do so.

06 Data Storage and International Transfers

Your information is stored and processed on infrastructure provided by Tencent Cloud / EdgeOne Makers (application hosting and edge delivery) together with a cloud-hosted MySQL database, operated in accordance with applicable data protection laws. Payments are processed by Waffo Pancake, a third-party payment processor; we do not store your full payment card details. Human-verification (CAPTCHA) is provided by Cloudflare Turnstile.

Due to the global nature of edge networks, portions of your data may be processed or cached in locations optimized for performance and availability. By using the Service, you acknowledge and consent to the transfer, storage, and processing of your information on such infrastructure, which may include data centers located outside your country of residence.

Our infrastructure providers act as data processors on our behalf. Where third-party providers (such as payment processors and the Turnstile service) process your data, their use is governed by their respective privacy policies and data processing agreements. We have implemented appropriate contractual safeguards to ensure that your personal data receives adequate protection in accordance with this Privacy Policy, regardless of where it is processed.

07 Data Retention

We retain your personal information for as long as necessary to fulfill the purposes outlined in this Privacy Policy, unless a longer retention period is required or permitted by law.

When you request deletion of your account, we will delete or anonymize your personal data in accordance with our data retention schedule, except where we are required to retain certain information for legal, tax, or regulatory compliance purposes. Anonymized data may be retained indefinitely for analytical and Service improvement purposes.

08 Your Privacy Rights

Depending on your location, you may have the following rights regarding your personal information:

• Access: The right to request copies of your personal data;
• Rectification: The right to request correction of inaccurate or incomplete data;
• Erasure ("Right to be Forgotten"): The right to request deletion of your personal data under certain conditions;
• Restriction: The right to request restriction of processing under certain conditions;
• Data Portability: The right to request transfer of your data to another controller;
• Objection: The right to object to processing based on legitimate interests;
• Withdraw Consent: The right to withdraw consent at any time where processing is based on consent.

To exercise any of these rights, please contact us at info@netstd.eu.cc. We will respond to your request within the timeframe required by applicable law.

09 Children's Privacy

Our Service is available to users of all ages, including children under the age of 13 (or the applicable age of digital consent in your jurisdiction), provided they have obtained parental or guardian consent.

We do not knowingly collect personal information from children without verifiable parental consent. If we learn that we have collected personal information from a child without appropriate consent, we will take steps to delete that information as soon as possible. If you believe we may have collected information from a child without proper consent, please contact us immediately.

10 Cookies and Tracking Technologies

We use cookies and similar tracking technologies to collect and track information about your browsing activities on our Service. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our Service.

11 Security

We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the Internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

12 Third-Party Links

Our Service may contain links to third-party websites or services that are not owned or controlled by us. We have no control over, and assume no responsibility for, the content, privacy policies, or practices of any third-party websites or services.

13 Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

14 California Privacy Rights (CCPA/CPRA)

If you are a California resident, you have specific rights regarding your personal information under the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA), including:

• The right to know what personal information is being collected about you;
• The right to know whether your personal information is sold or disclosed and to whom;
• The right to say no to the sale of personal information (we do not sell personal information);
• The right to access your personal information;
• The right to equal service and price, even if you exercise your privacy rights.

To exercise your California privacy rights, please contact us at info@netstd.eu.cc.