Some apps that help create rap beats include Rap Beat Maker, RapStar, How to Rap, RoboTuner, Audiotool Sketch, Electric Drum Machine, Rap to Beats and AutoRap by Smule. These applications are compatible with most iPhones, Android products and iPads, according to TNW News.
RapChat allows users to record their lyrics over selected rap beats and share their creations with friends. Rap to Beats is an application that allows users to select from a variety of beats and record their lyrics over the chosen beat. AutoRap by Smule is an app that simply requires the users to speak into their devices. The app can then chop the user's voice and turn it into a rap tune. Users can also share their music with others in the network, notes Smule.