Material Tipper

Material Tipper is the only tip calculator on the market that implements Google's Material Design Guidelines introduced in Android 5.0 Lollipop. Material Tipper is aimed towards providing the user with a very simple and elegant experience unlike other tip calculators currently in the Play Store

Features:
-Material Design
-Simple and straightforward
-Very easy to use
-Includes a bill split option


This app is open source, you can see it's code here:
https://github.com/tommypacker/TipCalculator