Privacy Policy Privacy Policy Last updated: February 16, 2026 ZT Apps built the Vu Smart Study app as a Free app. This SERVICE is provided by ZT Apps at no cost and is intended for use as is. This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our Service and the choices you have associated with that data. By using the Service, you agree to the collection and use of information in accordance with this policy. Information Collection and Use We do not collect any personally identifiable information such as your name, email address, or device ID. Anonymous Account When you first open the app, we create an anonymous account using Firebase Authentication. This account is identified by a random, unique identifier generated by Firebase. No device identifiers (e.g., Android ID) are collected or stored by us. User-Generated Content You may choose to bookmark handouts or save papers within the app. This i...