Pitch Pipe. Publisher: EmpoweredDesignApps Genre: Music Released: 5 Feb, 2012 Size: 29.5 MB Price: $0.99 Click here to request a review of this app App Store Info Description Pitch Pipe is a simple and yet powerful tool that will allow you to know what is the pitch you need. It can be used for a cappella singing or even tuning some instruments. What's New in Version 1.1.1 Bug Fix Screenshots Screenshot 1 of 4