The Headspace app primarily uses common audio formats to provide its guided meditations, sleep sounds, and mindfulness exercises. While the specific formats are not typically detailed by Headspace, it is known that the app aims to ensure a seamless listening experience across various devices. This often includes formats such as MP3, which is widely supported and offers a good balance between audio quality and file size. Users can expect clear and soothing audio designed to enhance their meditation and relaxation experience. For the most current information regarding audio formats and any changes that may have occurred, it is advisable to check the official Headspace website. There, users can find pertinent details that may not be readily available in the app itself.