Why do I have no sound when using the Read180 App?

Overview

Adjust iPad settings to enable sound when using the Read180 App.

Instructions

Why is there no sound when I open Read180?

Open Control Center by swiping down from the top right portion of the screen
Turn Silent Mode (bell icon) off.
Restart the Read180 app

What if Silent Mode is not in Command Center?

Go to Settings > Control Center > add Silent Mode