Real guitar is an app that transforms your phone / tablet screen into a lifelike simulation of an acoustic or electric guitar. a fun, light and user-friendly app. ideal for anyone who wants to study or play guitar without bugging the neighbours or taking up too much space.. Guitar apps free download - guitar tuner, play guitar, guitar studio, and many more programs. Downloading a guitar app let's start with downloading your first guitar app. in this guide, we use jamup by positive grid as an example of a guitar app you can download. 1. launch the app store from your apple device and search for jamup. 2. select a jamup app. select.