Mocha VNC Setup Wizard for Mac OS X 13.x - 15.x

In macOS System Settings select General - Sharing

Selecting mac os x sign on

Use (i) to define the users for VNC access. Also notice the IP address for the macOS device.

On the iPhone, select menu - configure

Selecting mac os x sign on

Select Mac OS X sign on, Mac User and as an option the password used on the Mac.
Also select the Mac OS X keyboard type in the field below.