Today’s free iPhone app at FreeAppADay.com is Inkstrumental, from ustwo.
Inkstrumental isn’t so much a game as it is a music creation app with a very unique theme. Inkstrumental allows you to choose from a variety of illustrated scenes for your background, along with choosing from 31 different creatures, each designed by Jon Burgerman to be the stars.
Tapping on these creates causes them to make some sort of musical sound, and you can combine your taps and noises to create “totally insane music.” You’ll be able to record these sounds into a music video which can then be watched later, or sent to YouTube directly from your phone for the world to see.
You can even choose a special recordable character and record your own sounds to add them to the game.
Be sure to download Inkstrumental while the app is free today.