Preparing to Give a Speech?

This app can help.

https://itunes.apple.com/us/app/ummo/id1102924965?mt=8

From the iTunes Description:

Ummo is your personal speech coach.  Whether you are practicing for a presentation or looking to improve your day-to-day communication, use Ummo to track your filler words ("Umms" and "Uhhs", "like", "You know"), pace, word power, clarity, and more.