In celebration of 20 million installs, Tapulous is offering Tap Tap Revenge 3 for free! Through Tap Tap Revenge 3, over 1 million songs have been sold, making it the most successful uses of in-app commerce to date. In addition, Tap Tap Revenge has provided a great new medium through which artists can generate sales. Users are now easily able to access a large library of music at the palm of their hands… but the most pertinent thing I wanted to get across was… Tap Tap Revenge is free!!! Enjoy!