Apparatuses for physically securing a portable electronic device to a tabletop of a display table or to another display surface are disclosed. In an embodiment an apparatus includes a main body, a plurality of arms that are extendable and retractable relative to the main body, and a plurality of braces attached to the plurality of arms, each brace configured to be secured to the portable electronic device. The apparatus includes one or more ratcheting buttons, located in corresponding holes in the main body or in arms, each ratcheting button configured to be upwardly movable within the corresponding hole with a ratchet mechanism to prevent downward movement of the ratcheting button within the corresponding hole. One or more fasteners is/are attachable to a tabletop to secure the apparatus and the portable electronic device to the tabletop.