MonoPhix

I was a lucky user who got a code for this app (Thanks again SCW!)

http://itunes.apple.com/us/app/monophix/id333643515?mt=8

Here is the menu: The first is what starts the app, then after, it lets you select one of your photos to edit.

There are three options to choose from:

This photo I used black and white @ Level 5.3 for both sliders.

Using Sepia @ 5.3 for both sliders as well

As you can see from the photos, these are beautiful results. It is well worth the dollar it costs and I recommend it to all photographers. :)