FLAC Codec
Many users have their audio collection in FLAC format. Typically to listen to flac songs on a iOS devices these steps must be performed:
But there is an easier method to listen to your FLAC collection without performing any of the above steps. This method involves using a free software called 'Tonido'.
Follow these steps to listen to FLAC files without doing any conversion or transferring into iOS device.
Install the Tonido desktop app in your PC (Windows,Mac and Linux) and create an user account . Please download Tonido desktop software from here. It is completely FREE. Tonido application running in your PC will automatically convert FLAC files to iOS compatible format for playback (a.k.a transcoding).
Install the Tonido iOS app from Apple app store onto your iPhone or iPad.
The downloaded files can be accessed by selecting the "This Device" option in the main Accounts page. The downloaded files are automatically placed in one of the following four folders depending on the type of the file being downloaded. Navigate through these folders and play/queue music in them.