Im Free is a great native app that will support you in quitting smoking.
Enter your details and grab the badge ... its all very easy and fun.
Remember to share your achievements (badges) with your friends via the sharing feature.
When you start stop smoking in home app you can see your stats and your progress.
In Counter tab, you can count the cigarettes smoked per day, all in a very simple, just tap the add button and and the data is automatically updated.
And remember .. Stop Smoking and go to enjoy LIFE!