The iPad App that is free for today - February 21 2012 - is MadPad. Normally, this is a paid app, costing $0,99 in the app store, but today, you can get this iphone / ipad app for free.

Description

Remix your life with MadPad! Turn everyday sights and sounds like your car, an empty soda can, or your friends into the ultimate percussive instrument. Who would have thought everyday life could be so musical? ***MadPad is free for a limited time only!***

"It's very cool stuff" - New York Times
"it's really friggin fun" - TechCrunch
"MadPad makes music out of anything"- MacWorld
"It's the sort of fun, music, creative app that just kills on the iPad and iPhone" - Gizmodo
Chosen as Apple's official iPhone App of the Week

See it to believe it – watch a 1991 Honda transform into a mad beat boxing soundboard: 
www.youtube.com/smule

It’s easy to create music from anything!

Features

• CREATE VIDEO SOUNDBOARDS FROM YOUR LIFE.
  Oh the possibilities! Just aim and shoot to capture sounds all around you - your local café, car, kitchen, kids, cat, friends - MadPad magic will take care of the rest. 
  •Easily record video clips to create interactive video sets.
  •Mix in clips from other sets to add a new element.
  
  PLAY SETS SIMPLY BY TAPPING.
  Tap to play interactive video sets just like a drum. Have fun creating rhythms, beats and loops from your sets.
  •Over 50 FREE sets included: pianos to piccolos, silly sounds to sweet guitars.
  •Discover new sets from the MadPad community daily.
  •Remix exclusive content from YouTube sensation Mystery Guitar Man.
  
  SHARE WITH THE WORLD.
  Let your friends remix your life! Record your best beats for the world to enjoy. 
  •Share your favorite sets through Twitter, Facebook or email.
  •Record your performances like a music video, and then post on YouTube.
  
  GET INSPIRED ON YOUTUBE.COM/SMULE
  Tons of MadPad videos showcased:
  •1991 Honda Accord
  •House blend remixed
  •Teenage Dream a capella
  •Home Depot 
  •Mystery Guitar Man remixing Beat It
  •And more!
  
  DISCOVER THE MADPAD COMMUNITY THROUGH TWITTER
  Now with iOS 5, connecting with other users has never been easier! Use the new single sign-on feature to seamlessly integrate MadPad with your Twitter account.
  •Discover inspiring people and content directly from MadPad’s Twitter tab. 
  •Use #tags to search through thousands of community-created video sets
  •Easily download sets from Twitter
  •Tap to follow other MadPad enthusiasts on Twitter.