Systems, methods, and computer-readable media are disclosed for systems and methods for personalizing portable shopping displays using mobile devices and inaudible tones. Example methods may include causing a first inaudible tone to be emitted by a speaker, the first inaudible tone configured to initiate a change in a user interface at a mobile device, determining a second inaudible tone from a user device using a microphone, the second inaudible tone including a user identifier of a user, and determining a user interaction with a product at a product display. Certain example methods may include determining user preference data, and causing presentation of product information for the product using the user preference data.