Cookie Policy

Last updated June 14, 2026. This page explains the categories of cookies and similar technologies that may be used to operate, secure, and improve Lango.

Essential cookies

Used for authentication, session continuity, security, fraud prevention, and other core product functionality.

Preference cookies

Used to remember product choices such as interface preferences, onboarding state, or similar settings where supported by the app.

Analytics cookies

Used to understand product usage, onboarding performance, feature quality, and reliability when analytics are enabled.

Your controls

Use your browser settings to block or delete cookies.
Understand that blocking essential cookies may prevent login or core app features from working.
Contact us if you have questions about tracking technologies used by the service.

Cookie and tracking questions can be sent to zhiyao-xu@outlook.com. You can also read the Privacy Policy.