Billboard tracks the top hit songs across several charts in different genres, with each chart broken down by week, as of 2015. In addition, the Google Play store and Apple App store both track the top-selling singles based on user downloads.
Billboard offers a number of different charts for various music genres, including R&B/hip-hop, pop, dance, country, rock and Christian/gospel. It also tracks emerging artists, Latin, jazz, New Age and others. Its Hot 100 list includes the hottest 100 songs for the week, while its Billboard 200 list includes the top-selling 200 albums across all music genres. The website offers a searchable database that lets visitors find top-rated songs based on date or artist.
The Google Play store lists the top-selling songs downloaded by users of Android devices for the week, along with links to purchase the songs if desired. In addition, Google Play lists the top-selling albums, also purchasable by clicking the link on each album.
Similarly, the Apple App store offers a list of top-selling songs on Apple.com for iPads, iPods, iPhones and other Apple devices. Each song features a link to buy the song on iTunes. The store also offers a list of the most downloaded albums and music videos.