Privacy Policy

Effective Date: 2025.08.01
Last Updated: 2025.08.01


This Privacy Policy (“Policy”) explains how Letstalk (hereinafter referred to as “Company”, “we”, or “us”) collects, uses, stores, and protects your personal data when you use the Letstalk application and services (hereinafter referred to as “Services”). By using the Services, you acknowledge that you have read, understood, and agree to this Policy.


  1. Data Collection
    2. We may collect the following categories of personal data:
    • Registration Information: Phone number, account ID, email address, nickname, encrypted password, personal photo
    • Device Information: Device model, operating system version, browser type, device identifier, network connection type (Wi-Fi or mobile data)
    • User Information: Contact list, personal data, group data
    • Usage Records: Login times, operation logs, error logs (retained for up to one month)
  2. Communications Content
    • All messages transmitted via the Services (including text, voice, calls, files, and images) are end-to-end encrypted
    • Your communications content is not stored on our servers, and the Company cannot decrypt, access, or view any user communications
  3. Purpose of Data Processing
    4. We collect and process your personal data for the following purposes:
    • Verify user identity and provide core service functionalities
    • Optimize product features and user experience
    • Provide customer support and troubleshoot technical issues
    • Comply with legal requirements, regulatory authorities, or contractual obligations
    • Analyze service usage to improve the product
  4. Third-Party Data Sharing
    5. We will not disclose your personal data to any third party except under the following circumstances:
    • Required by law or judicial process
    • Required by government authorities or regulatory agencies
    • Necessary for criminal investigations
    • Required to fulfill contractual obligations
  5. User Rights
    6. Users may exercise the following rights via the “Settings” function within the app:
    • Access and correct account information
    • Delete all chat history in the account
    • Manage data sharing and notification preferences
    • Request deletion of personal data
  6. Data Protection and Security
    • We use AES-256 and TLS encryption technologies to protect your data
    • Access control and intrusion detection mechanisms are in place to prevent unauthorized access
    • Measures are taken to prevent misuse or illegal access to personal data
  7. Policy Updates and Notifications
    • When this Privacy Policy or the Services undergo significant updates, we will notify users through in-app notifications or email
    • Continued use of the Services constitutes acceptance of the updated Policy
  8. Legal Compliance
    • We comply with applicable data protection regulations
    • We protect users’ rights, including access, correction, deletion, and objection rights
  9. Scope of Services
    • This Policy applies to all Letstalk services and activities, including:
    • Letstalk main application
    • Subsidiary or upcoming services
    • Any official announcements, events, or beta features
  10. Contact Information
    11. For any questions regarding this Policy, please contact us at:Email: [email protected]Address: 7F-1, No.103, Ruihu St., Neihu District, Taipei City 114, Taiwan
  11. Supported Languages
    12. This Policy is available in Traditional Chinese, Simplified Chinese, English, Japanese, Thai, and Vietnamese. In case of discrepancies, the Traditional Chinese version shall prevail.