Transfer/backup everything from your iPhone or iPad to your Mac or Windows computer. Can also transfer between devices (like when you upgrade). Supposedly more comprehensive than iTunes does it. Gets good reviews.
Get a trusted software to transfer and save your music, messages, files and data. Safely back up any iPhone, iPad or iPod touch. Powerful and user-friendly, iMazing is simply the best iOS device manager for Mac and PC.
iOS 11 + iTunes + new files app = $0