Cisdem Duplicate Finder is described as 'Scans Mac, Windows PC, Android, iOS devices, OneDrive, Dropbox, and external storage devices to find all duplicate files such as duplicate photos, videos, audio files, archives, folders, and documents, and then remove these duplicates to free up storage space' and is a duplicate file finder in the file management category. There are more than 10 alternatives to Cisdem Duplicate Finder for a variety of platforms, including Mac, Windows, Linux, iPhone and iPad apps. The best Cisdem Duplicate Finder alternative is dupeGuru, which is both free and Open Source. Other great apps like Cisdem Duplicate Finder are CleanMyPhone, Duplicate File Finder, Gemini 2 and Easy Duplicate Finder.
UI is basically unable to me compared to cisdem but it is FOSS.