karlosuccess

This plugin will show a different theme to logged in users.
Your regular visitors will be served one theme, logged in users will be served a different theme.
Simple but effective plugin.
Currently, only working with parent themes, not child themes, but it is in the TODO list.
For screenshots please visit <a href="https://KMBytes.com" rel="nofollow ugc">www.KMBytes.com</a>.

KM Different theme to logged in users

The best solution to show a different theme to logged in users.

Valeri Kluger

The IF Menu plugin adds a powerful yet simple feature to WordPress menus: conditional visibility.
This plugin lets you control whether a specific menu item is: 
* Shown to all visitors 
* Shown only to logged-in users 
* Shown only to logged-out users
<h3>Features</h3>
<ul>
<li>Simple and intuitive interface</li>
<li>Works seamlessly inside Appearance > Menus</li>
<li>Lightweight and secure — no external libraries</li>
<li>No performance impact or bloat</li>
<li>Developed by Valeri Kluger (vk-projekte.de)</li>
</ul>

IF Menu Visibility

Add login-based visibility control to WordPress menus. Show or hide menu items depending on whether users are logged in or not.

KM Different theme to logged in users vs IF Menu Visibility