The みまもりGPSアプリ is a free utility and tool application developed by SoftBank Corp. It is designed for users of the みまもりGPS and みまもりケータイ４, which are GPS-enabled devices that allow users to keep track of their loved ones. The app displays the location information received from the device on a map and allows users to adjust the device settings.

One of the primary features of the app is the ability to display the location of the みまもりGPS/みまもりケータイ４ on a map. This helps users keep track of their loved ones and ensure their safety. Additionally, the app allows users to check the current location of the device and adjust various device settings.

It is important to note that the app uses packet communication, as well as SMS and MMS communication, which may result in additional charges. The app is also compatible with international roaming, but users should check their service provider's pricing policies before using the app abroad.