This app will help you split the bill when at a restaurant. It will calculate the tip based on the total and let you know how much everyone should pay.
YouTube video: https://www.youtube.com/watch?v=mxoJ5VxJTpA&feature=youtube_gdata
See 'master' branch in GitHub.
Screenflow (click for larger image):
I forgot to add the service quality on the final screen in the screen flow above.
Totally stole the main screen image from Google images...