ボカロチェッカー is a free multimedia music and radio application available on iPhone. With this app, users can enjoy unlimited access to the latest music without the need for any membership registration. One of its standout features is the ability to play music in the background, allowing users to continue listening even when using other apps.

Users can choose songs from their favorite genres and create their own playlists. This app also allows for easy playlist organization, with the option to create multiple playlist folders with custom names. Additionally, users can add search results to their playlists and enjoy continuous playback of related music.

The player functionality of ボカロチェッカー is convenient and user-friendly, offering features such as shuffle and loop playback, as well as 10-second forward and backward skipping. It also includes a 2x speed playback and slow playback feature. Sharing music on social media is made easy with the built-in share function.

Furthermore, the app includes a sleep function, allowing users to set a specific duration for continuous playback. ボカロチェッカー combines a wide range of music options with a highly functional player.

Please note that this app was previously known as "ボカロチェッカー," but it has undergone a significant update and evolution while retaining the functionality of the previous version. It is now called "music player dx (formerly ボカロチェッカー)".