Kinfold Privacy Policy

Last Updated: April 3, 2026

1. Introduction

Welcome to the services provided by Kinfold (collectively referred to as "the App", "we", "us" or "our" below). We attach great importance to the privacy protection and data security of each user, and always prioritize the security of your personal information.

This Privacy Policy aims to clearly and comprehensively explain to you how we collect, use, store, disclose and protect your personal information, as well as the rights you enjoy in relation to your personal information, to help you better understand our privacy protection practices.

The App has newly added In-App Purchase and subscription management functions. This policy has been updated with corresponding data processing rules to ensure compliance with Clause 3.1 of the Apple App Store Review Guidelines and global privacy regulations (GDPR, PIPL, etc.).

2. Information We Collect

To fulfill legal obligations and provide, improve our services, we collect the following types of information in accordance with the principles of lawfulness, legitimacy and necessity. We do not collect information irrelevant to our services.

1. Account Information: Information voluntarily provided by you for identity verification when registering or logging into the App, including email address, nickname, etc. Such information is used for account login, identity authentication and account management.
2. Device Information: When you use the App, we will automatically collect device-related information, including device model, operating system version, unique device identifiers (IDFA, IDFV), IP address, network type, language settings, etc. Such information is used to ensure the normal operation of the App, optimize service experience and prevent security risks.
3. Geolocation Information: If you authorize the device's geolocation permission, we may collect and process your approximate or precise location information. We will use such information to provide location-based features and services, optimize service recommendations and enhance user experience. You may enable or disable this permission at any time through your device settings.
4. Usage and Interaction Information: We will record information related to your use of the App, including login time, usage duration, operation records, feature access frequency, page browsing paths, etc., for analyzing service usage, optimizing features and providing you with more tailored services.
5. Payment and Subscription Information (Newly Added):
   The App does not collect or store your complete sensitive payment information such as credit card number, payment password, Apple Pay token, etc. All payment processes are securely processed by Apple's official payment system (Apple In-App Purchase).
   We only collect non-sensitive payment-related information: purchase order number, product type (consumable / non-consumable / subscription), purchase time, amount, payment status, subscription period, renewal / cancellation records, receipt verification data, restore purchase records, etc.
   The above information is used for order verification, entitlement issuance, subscription management, restore purchases, anti-fraud, compliance auditing and customer support.

3. Use of Information

All personal information we collect is used only for the following legitimate purposes and will not be used beyond the agreed scope:

• 1. Provide, maintain and improve the App's services, ensure normal service operation, fix bugs and enhance service quality;
• Provide personalized recommendations and matching features based on your usage habits and geolocation information (if authorized), to optimize your user experience;
• Prevent security risks such as fraud, unauthorized use, malicious refunds and duplicate purchases, detect and stop violations, and protect your account security and legitimate rights and interests;
• Respond to your inquiries, complaints and requests for assistance, and provide customer support;
• Process In-App Purchases and subscriptions (Newly Added): fulfill orders, issue virtual goods / membership benefits, manage auto-renewals, perform restore purchases, handle refunds and after-sales services, generate compliant transaction certificates;
• Comply with applicable national laws, regulations and industry regulatory requirements, fulfill legal obligations and cooperate with regulatory inspections.

4. Information Sharing

We strictly protect your personal information and will not sell, rent or lend any personal information to third parties. We will share your information only under the following specific circumstances and take necessary measures to ensure information security:

• Share your relevant information with designated third parties after obtaining your explicit written or oral consent;
• Share information with our trusted service providers (e.g., third parties providing cloud storage, data analysis, location services, payment verification, etc.) solely for the purposes set forth in this Privacy Policy. We will sign strict confidentiality agreements with such service providers, requiring them to strictly protect your information;
• Share with Apple Inc. (Newly Added): To implement In-App Purchases, subscription verification, receipt validation, anti-fraud, restore purchases and other functions, we will share necessary information such as order numbers, device identifiers, receipt data and purchase status with Apple Inc. Apple processes such data in accordance with its own privacy policy;
• Provide your personal information to relevant authorities in accordance with laws, regulations or requirements of judicial or administrative regulatory agencies;
• Share necessary personal information in accordance with the law in emergency situations to protect the personal and property safety of you, other users or the public;
• In the event of a company merger, acquisition, restructuring or asset transfer, your personal information may be transferred to the transferee as part of the assets. We will notify you in advance and require the transferee to continue to abide by the privacy protection obligations set forth in this Privacy Policy.

5. Data Security and Storage

We adopt industry-leading security safeguards, including technical and management measures such as data encryption (transmission encryption, storage encryption), access control, firewalls, security audits and tamper-proof mechanisms, to establish a comprehensive information security system and prevent your personal information from being disclosed, tampered with, lost or misused.

Payment-related data is stored with financial-grade encryption, accessible only to authorized personnel, and retained for no longer than the period required by laws, regulations and business necessities.

We strictly follow the principle of minimum necessary retention, and retain your personal information only for the shortest period necessary to achieve the purposes set forth in this Privacy Policy:

• Account Information: Retained for 14 days after account cancellation (for legal cleanup);
• Payment / Subscription Records: Retained for 5 years after transaction completion (to meet tax, audit, compliance and refund traceability requirements);
• Device / Usage Data: Retained for 12 months (for service optimization and security analysis).

Upon expiration of the retention period, we will securely delete your personal information or anonymize it in accordance with the law (anonymized information no longer constitutes personal information).

6. Your Rights

Pursuant to applicable laws and regulations, you enjoy the following rights in relation to your personal information:

• The right to access and review your personal information;
• The right to correct and supplement inaccurate personal information;
• The right to delete your personal information (when statutory conditions are met);
• The right to withdraw authorization for information collection and use, including geolocation information authorization;
• The right to deactivate your App account (directly completed within the App; all data will be erased within 14 days after deactivation);
• The right to manage subscriptions and payments (Newly Added): view subscription details, cancel auto-renewals, request restore purchases, query transaction records, apply for compliant refunds.

If you wish to exercise the above rights, you may contact us through the designated contact information provided in the Application. We will respond to your request promptly and process it in accordance with the time limits required by applicable laws and regulations. Contact email: service@kinfold-post.com

7. Third-Party Services

The App may contain third-party software development kits (SDKs), advertising services, location services, payment services or other third-party service modules in the course of providing services. Such third-party service providers may collect your relevant information in accordance with their own privacy policies.

Payment-related third parties (Newly Added): The App integrates the Apple In-App Purchase (IAP) SDK for processing virtual goods purchases and subscriptions. Apple only provides us with order status and verification data, and does not share complete payment information.

We cooperate only with compliant and trusted third parties and require them to strictly comply with privacy protection laws and regulations to safeguard your information security. You may learn about their information processing rules through the third parties' privacy policies.

8. Policy Updates

With the update of laws and regulations and the optimization of service functions, we may revise this Privacy Policy from time to time. The revised Privacy Policy will be published within the App or on the official website, with content updates marked accordingly.

If the revised Privacy Policy involves material changes to your material rights and interests (such as significant changes to the scope of information collection, purposes of use or sharing methods), we will explicitly notify you via email provided during registration, in-app pop-ups or other means to ensure you are aware of and understand the relevant changes.

Your continued use of the App's services shall be deemed your acceptance of the revised Privacy Policy. If you do not accept the revised policy, you may stop using the App's services and exercise relevant rights in accordance with the law.

9. Contact Us

If you have any questions, objections or requests regarding this Privacy Policy, wish to exercise your rights related to personal information, manage subscriptions and payments, or report privacy breaches, please contact us through the following information. We will respond to and handle your issues in a timely manner.Contact email: service@kinfold-post.com