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HappyPax.com
Try before you Buy:  Here is a free version to try before you buy. It's an Excel (2007 or newer) workbook. Simply click download and open. You will learn in 5 minutes how easy it is to use and how valuable it will be all year.

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Learn more  ...  need a copy of Excel?
Reviewing a spread sheet on a smart phone is a challenge.  Even a  phone with Windows Mobile Office.

iPhone and Android phone default viewers may only display the welcome page ignoring the following 14 pages of the spread sheet.

An Excel, LibreOffice or OpenOffice  desktop review is recommended.
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