Hyper is not available for iPhone but there are some alternatives with similar functionality. The best iPhone SSH Client alternative is Prompt. It's not free, so if you're looking for a free alternative, you could try WebSSH - SysAdmin Tools or Secure ShellFish. If that doesn't suit you, our users have ranked more than 100 alternatives to Hyper and five of them are SSH Clients available for iPhone so hopefully you can find a suitable replacement. Other interesting iPhone SSH Client alternatives to Hyper are Blink Shell and SSH Client Terminal.