Apps similar to USB Tree include USB Descriptor Explorer for Android, which is free and open source. Other options are USBDeview and USB Device Tree Viewer (UsbTreeView). In total there are three apps like USB Tree for Windows and Android.
USB Descriptor Explorer (USBDevInfo) is a utility for inspecting USB devices on Android with clean, structured output. It is built for debugging, validation, and reverse-engineering.
Compare read and write speed of USB Flash drives: USBDeview is a small utility that lists all USB devices that currently connected to your computer, as well as all USB devices that you previously used.
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USBTreeView is a Windows graphical user interface application that enables you to browse all USB controllers and connected USB devices on your computer.
