The plugin gives you more control over your nav menu by allowing you to apply visibility controls to menu items e.g who can see each menu item (everyone, logged out users, logged in users, specific user roles).

https://wordpress.org/plugins/user-menus/

User Menus allows you to do the following:

• Display menu items to everyone
• Display menu items to only logged out users
• Display menu items to only logged in users
• Display menu item to users with or without a specific user role.
• Show a logged in user’s {avatar} in a menu item with custom size option.
• Show a logged in user’s {username} in a menu item
• Show a logged in user’s {first_name} in a menu item
• Show a logged in user’s {last_name} in a menu item
• Show a logged in user’s {display_name} in a menu item
• Show a logged in user’s nickname} in a menu item
• Show a logged in user’s {email} in a menu item
• Add a logout link to menu (optional redirect settings)
• Add a register link to menu (optional redirect settings)
• Add a login link to menu (optional redirect settings)