Aspose.Slides Comparison app is a free online solution for reviewing presentations. It allows to track the changes of two versions of the same presentation file, see the diff of the presentations in a convenient way. Compare documents of various presentation file formats: PPT(X), PPS(X), POT(M), etc. Presentation comparison diff file can be saved in PDF or DOCX format.
PowerPoint Comparison App is a free app provided by Aspose.Slides.