IPad version needs better key exchange
IPad version of Terminus does not work on modern ssh, since that does not support these:
Key Exchange Methods:
I’m not inclined to weaken my server to accommodate this out-dated app.
Hello, thanks for contacting us.
We've double-checked and found that we definitely support these KEX algorithms in our iOS app. We've also found that in OpenSSH-7 these algorithms are considered to be legacy https://www.openssh.com/legacy.html
Could you please check that your host allows these algorithms? You may use this answer form stackexchange: https://unix.stackexchange.com/a/370716
Thank you for your help!