# Mobile App Overview ### The Carats App is available at The Carats App is compatible with all mobile devices with a modern web browser. No app download is required. ## Key Features * Buy Carats using 27 fiat currencies and dozens of cryptocurrencies, using various payment methods including Mastercard, Visa, UPI, etc... * Sell Carats for 27 currencies and dozens of cryptocurrencies * Send Carats to any mobile phone using SMS * A personal blockchain wallet is created when a user purchases or receives Carats via SMS * This wallet is self-custodied on the users phone, and can be downloaded to other devices * Purchase and add Carats purchased at select ATM machines which display a QR code ### Advanced Features * Face ID security * Confidential or Identified payments * Multi-signature Escrow payments * Inbound payment initiation via SMS or QR Code * PIN-locked payments * Open source -- platforms can easily adapt the Carats App for white-label applications --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.bitcarbon.com/diamond-standard-carats-bitcarbon/carats.cc-mobile-app/mobile-app-overview.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.