Sound Loop is a free iPhone app developed by Yusaku Hatakenaka. It falls under the category of Multimedia and specifically the subcategory of Music & Radio. This app is designed to help users playback their favorite videos and tunes on YouTube in a way that resembles a music app.

With Sound Loop, you can easily enjoy YouTube endlessly. The app offers two key features: "loop" and "playlists". The "loop" feature allows you to repeat a video or a section of a video continuously, creating an immersive and uninterrupted listening experience. The "playlists" feature lets you create and manage playlists of your favorite videos, making it easy to organize and access your preferred content.

The simplicity of Sound Loop makes it a user-friendly choice for those who want to enjoy YouTube as a music app. Whether you want to listen to a specific song on repeat or create a playlist for a long journey, this app has got you covered. Say goodbye to interruptions and enjoy a seamless YouTube playback experience with Sound Loop.