PerfectXL Compare is described as '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' and is an app in the File Management category. There are seven alternatives to PerfectXL Compare 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 PerfectXL Compare are Synkronizer (Paid), Excel Compare (Paid), Spreadsheet Advantage (Paid) and xlCompare (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