WALTR 2 lets you transfer songs from PC to iPhone. It is a desktop app for Windows and Mac that lets you send any file from your PC to iPhone without iTunes. Download and launch WALTR 2 on your computer and connect your iPhone to your PC using its cable. Now drag the song(s) from your PC and drop them into WALTR 2. WALTR 2 will transfer multiple songs at a time to the native Music app on iPhone.