Karaoke Tracks vs Endel

Karaoke Tracks at x-minus.pro is a community karaoke library where you search, stream, and download backing tracks across genres and languages. The catalog lists more than 700,000 tracks, with collections for love songs, movie soundtracks, holiday themes, and dozens of other categories. Each track opens in a web player with on-page pitch and tempo controls.

Where commercial karaoke apps license a fixed catalog, Karaoke Tracks relies on community uploads, so you get regional songs, fan-made arrangements, and obscure titles that rarely appear on Smule or Singa. Track quality and metadata vary by uploader, which is the trade-off for breadth across languages and themes.

Registered users can upload their own backing tracks, build playlists, and browse recent uploads or the TOP 50 chart. The site also hosts separate browser tools for AI vocal removal with stem splitting options and a transpose page for changing pitch or tempo on any uploaded audio file.

Endel generates personalized soundscapes that adapt in real time to help you focus, relax, sleep, or stay grounded during activity. The audio engine uses patented Endel Pacific technology that reacts to inputs like time of day, weather, heart rate, and location instead of looping static tracks. The marketing site describes it as neuroscience-backed functional audio for everyday wellness.

Playlist apps give you fixed songs; Endel keeps regenerating sound on the device so the mix shifts with your context. Focus mode claims up to a 7x increase in sustained concentration versus playlists in peer-reviewed research cited on the site, and Relax, Sleep, and Activity modes each ship with generative visuals. The same engine runs across iOS, Android, macOS, web, Apple Watch, Alexa, Apple TV, and Fire TV.

Students, remote workers, people with ADHD, parents, and anyone fighting insomnia are the implied audience from focus and sleep landing pages plus App Store reviews quoted on endel.io. A free edition exists, while Premium unlocks all modes, offline playback, wearable integrations, and artist collaboration soundscapes like James Blake: Wind Down.