Spreadsheet Advantage is described as 'Excel add-in designed to assist users and developers of Excel spreadsheets. Our add-in tools allow you to compare Excel spreadsheets or sections of the same worksheet' and is an app in the Office & Productivity category. There are seven alternatives to Spreadsheet Advantage for Windows and Mac. The best alternative is DiffEngineX. It's not free, so if you're looking for a free alternative, you could try Spreadsheet Compare or Excel Sheet Comparator. Other great apps like Spreadsheet Advantage are Excel Compare (Paid), Synkronizer (Paid), xlCompare (Paid) and PerfectXL Compare (Paid).
DiffEngineX is a fast utility that finds the differences between the formulae, constants, defined names, cell comments and Visual Basic code contained in either two whole Excel workbooks (*.xls, *.xlsx, *.xlsm, *.xlsb) or selected worksheets.
Synkronizer allows you to compare calculation models, data bases, lists or whole Excel spreadsheets automaticallly. Differences are highlighted and can be aligned. If desired, Synkronizer allows you to merge your spreadsheets
This is a tool developed by a small team in the Netherlands. It's a standalone application that generates a simple, concise, easy to understand overview of the differences between 2 Excel sheets. It can also handle even the most complex Excel files.