iTunes is a media player, a media library and an internet radio software that allows users to play their library of audio files on multiple synchronised devices. iTunes is available for PC, Mac, Android and iOs devices. iTunes can support both download and upload of audio files from your computer and the iTunes Store. It’s a digital library that can be accessed by logging into the iTunes software on any device, with the same iTunes account.
Deezer is a music streaming platform allowing you to access a streaming library of millions of songs, from your PC, Mac, tablet or smartphone. Deezer is available for free with ads between songs or as a subscription for an ad-free experience with better audio and a download option to listen to songs when offline.