Kuack is a streaming music app for subscription, multiplatform and multilabel which has 2 types of service with different prices, Premium and Top Chart. The Premium service allows the user to unlimited music streaming, conditional downloads, create playlists, share on social networks,etc. The Top Chart service has a top 40 and the user can select up to 5 playlists from a list of curated playlist and then can rotate them every 7 days, this service also allows conditional downloads but of the complete playlist not just tracks.