LeafSpy Pro is an iOS application designed for Nissan Leaf electric vehicle owners, requiring iOS 7.1+ and the LELink Bluetooth 4.x LE OBDII adapter or a WiFi OBDII adapter. The app provides access to detailed battery and vehicle information typically accessible only by dealers. It supports English and Japanese languages and is compatible with the 2018 Leaf model. Users can monitor various data including cell pair voltages, battery temperature, VIN, odometer readings, charge connections, energy levels, tire pressure, and more.

LeafSpy Pro also offers advanced functionalities such as adjusting door lock settings, modifying VSP sound settings, reading Diagnostic Trouble Codes, registering tire positions, and resetting DTCs from selected ECUs. Note that prolonged use of GPS in the background may impact battery life significantly.