Privacy Policy

We always prioritize respect for user privacy and information security, collecting relevant information only to achieve core software services and meet actual operational needs. The scope, methods, and purposes of each piece of information collected are clearly explained in this policy, allowing you to understand the information processing process clearly and with peace of mind.

Service-Essential Information

• Check-in Records: Used to determine your check-in status and promptly trigger emergency notifications
• Device Identifiers: Help identify abnormal login behavior to protect your account security
• Network Information: Used to optimize service stability and troubleshoot notification delivery failures

The above information constitutes basic data for normal service operation and is directly related to core functionality, without exceeding the necessary collection scope.

We only use collected personal information for the following scenarios:

• To provide, maintain, and optimize core services such as check-in management and emergency email/SMS notifications
• To ensure service security, promptly identify and prevent risks such as abnormal logins and malicious attacks
• To comply with industry common standards and relevant requirements
• For other legitimate purposes to achieve service objectives, with your separate consent

We strictly protect your personal information and only share or disclose it under the following necessary circumstances, always adhering to the principle of minimum necessity:

• To your designated emergency contacts: Only send check-in interruption-related status reminders (email/SMS), without disclosing any other information
• To entrusted third-party service providers: Email service providers and SMS operators are only responsible for processing emergency notification delivery. We require them to fulfill strict confidentiality obligations and not use the information for any other purpose. Simultaneously, we conduct security assessments of third-party service providers and sign data processing agreements to ensure their operations comply with industry standards
• For compliance requirements: Provide necessary information to relevant institutions in accordance with industry norms, and within permissible scope, endeavor to protect your personal information security
• With your explicit consent: Use or share information within agreed scope after your active, clear authorization

To ensure the security of your personal information, we have implemented the following specific protection measures in accordance with industry best practices:

• Technical measures: Use HTTPS protocol for data transmission, deploy intrusion detection and prevention systems
• Administrative measures: Establish strict data access permission control mechanisms, conduct regular employee information security training, and perform full-process auditing of data processing activities
• Physical measures: Servers are deployed in compliant cloud service provider data centers with comprehensive physical protection capabilities including fire, water, and magnetic protection

You legally enjoy the following personal information-related rights, and we will actively respond to your reasonable requests:

• Right to Know: You can view detailed information about how we collect, use, and share your personal information
• Right to Correction: You can correct information such as emergency contact email addresses and phone numbers you have provided
• Right to Copy: You can request a copy of your personal information
• Right to Deletion: You can apply to deactivate your account and delete related personal information (data will be permanently deleted and cannot be recovered after deactivation)
• Right to Portability: You can request the transfer of your personal information to other service providers you designate
• Right to Explanation: You can request detailed explanations of personal information processing rules
• Right to Withdraw Consent: You can withdraw consent for personal information processing through software settings or by contacting customer service. After withdrawal, we will stop corresponding information processing activities, but this does not affect processing completed before withdrawal based on your consent

• Minors under 14 years old: Prohibited from using this software. If we discover minors using the software in violation of rules, we will immediately terminate service and delete relevant information, making every effort to protect minors' rights
• Minors aged 14 to under 18: Must use this software under the explicit consent and continuous supervision of guardians. Any consequences resulting from insufficient guardian supervision shall be borne by the guardian and user. We will endeavor to assist in handling but will not assume related responsibility

• Storage Method: Your personal information is stored in compliant cloud servers with encryption and other measures to ensure storage security
• Storage Duration: Core information such as emergency contact information and check-in records will be saved during your account's active period; after account deactivation, it will be permanently deleted within 30 working days. Log-type information such as device identifiers and network information has a storage duration of 6 months, after which it will be anonymized
• Account Deactivation/Service Termination: After account deactivation or service termination, we will delete or anonymize your personal information within 30 working days, unless otherwise specified

We may update this privacy policy as appropriate based on industry changes, service adjustments, or operational needs. Updated content will be published through software announcements, in-app prompts, and other methods, taking effect 7 working days after publication. If you continue using this software, it will be deemed that you have read, understood, and accepted the updated privacy policy. We recommend you regularly review policy update content.

• The emergency notification function may experience delivery delays, misjudgments, or failures due to external factors such as networks, SMS/email operators, etc. Please be advised. We recommend you evaluate related risks and use this function reasonably
• We do not assume responsibility for any consequences resulting from your personal information leakage, emergency contacts' failure to respond promptly, or incorrect contact information settings. We recommend you properly safeguard relevant information and verify it regularly
• This software is only a safety guardian auxiliary tool. You should use it reasonably according to your own needs and assume related risks during use

If you have any questions, suggestions, or complaints regarding this privacy policy or personal information processing, you can contact us through the following methods:

The interpretation of this privacy policy will follow the principle of fairness and reasonableness. For matters not covered by this policy, we will properly handle them based on principles of respecting user rights and minimum necessity.