For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Wondershare MobileTrans - Wondershare MobileTrans is a 1-Click Phone to Phone Transfer for you to move data between devices with different operating systems. Your must-have phone Transfer.
Dropbox - Online Sync and File Sharing
Samsung Smart Switch - Samsung Smart Switch is software that allows the user to transfer files and information from one smart phone to a Samsung Galaxy device.
Google Drive - Access and sync your files anywhere
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)
Mega - Secure File Storage and collaboration