...The free version does not expire but will stop supporting some additional features after 14 days. The music will always stay on tempo with automatic beat detection. Load a track onto a deck and it automatically scans the file for a beat, assigns a beat per minute (BPM) and changes the tempo on the second deck for perfect synchronization. Easily crossfade between tracks. Real-time pitch and tempo adjustment, auto-play mode for hands-free, seamless music mixing, supports mp3, wav and all other popular audio formats. Automatic beat detection, beat synchronization between the decks. ...