Plumbing Sales Coach is a free iPhone application designed by Christopher Fresh, tailored for the Business & Productivity category. This program offers a profitable price book calculator that assists companies in understanding pricing strategies to boost revenue in competitive markets. By utilizing this calculator, numerous companies have experienced significant growth and revenue increase.

Additionally, users can access the developer's podcast directly through the app by simply tapping the 'FRESH' button. For those seeking free training opportunities to enhance their sales skills, the app provides easy access to the Service Expert Blueprint training modules, which have proven to help companies double or even triple their revenue.