Secure ShellFish – SSH and SFTP Storage for iOS

Secure ShellFish is a SSH and SFTP file manager that works well with other apps. Setup new servers inside Secure ShellFish itself and access files on these servers in the Files app and other apps supporting the document browser or document picker. The app works with Synology and other NAS solutions for fast file access at home or the office even when Internet is lacking.

Source: apps.apple.com