i2usb is described as 'Use your iPhone as a USB flash drive' and is an app in the OS & Utilities category. There are four alternatives to i2usb for Mac and Windows. The best alternative is iMazing, which is free. Other great apps like i2usb are i-FunBox (Free), Apple Configurator 2 (Free) and iExplorer (Paid).
iMazing is an iOS device management software which empowers users to simply do more with their Apple devices. Lets them save and transfer music, photos, messages, and other data from any iOS device to their Mac or Windows computer.
i-FunBox, or iFunbox, is a tool to transfer, manage, browse and explore files on iPhone, iPad and iPod Touch via USB. It download apps to iPhone and iPad, edit app sandboxes and add, remove or replace files. It can convert extracted binary .