The Little Mixer app, which is available on the girl band's official website, enables fans to make remixes using soundbites created by the four-piece.
The online app also allows users to share their compositions on Facebook and Twitter for other fans to listen to.
Meanwhile, Little Mix recently confirmed that their debut album DNA will be released in the UK on November 19.
The new collection will contain hit singles 'Cannonball' and 'Wings', as well as upcoming cut and title track 'DNA'.
Watch the music video for Little Mix's latest single 'Wings' below: