The best part about Nitro Pro is that the software has a lot in common with Adobe Acrobat. Read: How to Reduce PDF File Size Without Losing Quality Best Adobe Acrobat Alternative 1. With the endless PDF programs claiming to offer you the best job possible, we bring you to the top layer of the cream: There are better alternatives for applications like Adobe Acrobat that are meant to serve the same purpose as the former and that too, at a lower price. Still, it doesn’t have to as expensive as Adobe Acrobat. However, for more advanced features like edit or merge two PDFs, you will have to shell out money. If you are looking just to some basic functions such as annotating or rotating a PDF, then use the Adobe Reader DC on Windows 10 or macOS built-in preview app. However, it has one drawback, which is, the software comes at a high price.