xterm is not available for iPad but there are a few alternatives with similar functionality. The best iPad alternative is Termius, which is free. If that doesn't work for you, our users have ranked more than 25 alternatives to xterm, but unfortunately only two of them are available for iPad. If you can't find an alternative you can try to filter for web or SaaS options.
Termius is more than a mere SSH client – it’s a complete command-line solution that’s redefining remote access for sysadmins and network engineers. Securely access Linux or IoT devices and quickly fix issues from the comfort of your couch via laptop or phone.
Blink Shell is the professional, desktop-grade terminal emulator for iOS. It's a full-featured and highly configurable open-source terminal that can be compiled from the source at GitHub or purchased as a pre-compiled app from the App Store to support the developers.