YUMI UEFI is described as 'Multiboot USB maker tool that utilizes GRUB2 for both BIOS and UEFI booting. It is important to note that the UEFI version is not backwards compatible with YUMI legacy. In addition, your drive must be Fat32 formatted to support booting in UEFI mode' and is a bootable usb creator in the cd/dvd tools category. There are more than 25 alternatives to YUMI UEFI for a variety of platforms, including Windows, Linux, Mac, Flathub and PortableApps.com apps. The best YUMI UEFI alternative is Rufus, which is both free and Open Source. Other great apps like YUMI UEFI are Ventoy, balenaEtcher, UNetbootin and YUMI exFAT.