Want my money back

Some of the filters dont work at all, including PEG and P/CF. About 1/3 of the time running a screen yields nothing but a spinning symbol of frustration. How do I get my money back?

Hilariously, even trying to rate the app and write a review has been difficult and frustrating.

Chris Nichelson about ScreenerPro: Find Your Own Stock Picks by Screening the Market with Customized Fundamental and Technical Patterns and Filters; Research and Monitor Your Pick with Real-Time Quote, Chart Reading, and Price Alert Push Notification; Cloud Sync Supported