SongTube is described as 'new beautiful and fast application made in flutter, it supports YouTube audio and video downloading at any quality, In-App YouTube Browser, audio conversion, Playlists and an Audio tags editor' and is a youtube downloader in the video & movies category. There are more than 50 alternatives to SongTube for a variety of platforms, including Android, Linux, Mac, Windows and Online / Web-based. The best alternative is NewPipe, which is both free and Open Source. Other great apps like SongTube are YouTube, AIMP, Strawberry and Invidious.
Kaku is the next generation music player that supports many different platform like YouTube, Vimeo ... etc. With it, you can listen to any music you like in different platform with just one single click, so simple to use !
QMPlay2 is a video and audio player. It can play all formats supported by FFmpeg, libmodplug (including J2B and SFX). It also supports Audio CD, raw files, Rayman 2 music and chiptunes. It contains YouTube and Prostopleer browser.