iSH is described as 'A project to get a Linux shell running on iOS, using usermode x86 emulation and syscall translation' and is a terminal emulator in the os & utilities category. There are nine alternatives to iSH for a variety of platforms, including Android, iPhone, Linux, iPad and FreeBSD apps. The best iSH alternative is Blink Shell. It's not free, so if you're looking for a free alternative, you could try a-Shell or Android Terminal Emulator. Other great apps like iSH are Termux Monet, MATE Terminal, Another Term and Better Terminal Emulator Pro.