What are some alternatives?
When comparing Files-finder edition and Filza File Manager, you can also consider the following products
iFile - If you need a new file manager for your device, iFile might be the answer you seek.
Touch Copy - TouchCopy - Copy Music, Messages, Photos, Notes and a lot more from your iPod, iPhone and iPad back to your Windows PC or Mac.
FileBrowser - FileBrowser is a multifunctional file manager for the iOS devices that are used for accessing files in both local and networked environment.
iMazing - iMazing lets you transfer music, files, messages, apps and more from any iPhone, iPad, or iPod to a computer, Mac or PC. Manage and backup your iOS device simply without iTunes. (was DiskAid)
FileApp - FileApp is an iPhone and iPad File System and Document Viewer.
PhoneView - With PhoneView, you can view, save and print all of your iPhone and iPad messages, WhatsApp messages, voicemail and other data directly on your Mac. Save your SMS, iMessages and WhatsApp messages.