You can choose to sync files to your phone's internal memory or an external SD card.
Available for both Windows and Mac (macOS 10.5+). isyncr desktop download
Supports smart playlists, podcasts, and video syncing (non-DRM). You can choose to sync files to your
iSyncr goes beyond simple file copying by maintaining the integrity of your music library: isyncr desktop download
The desktop client is completely free to download and use.