Quit it is now available for Apple Watch.

Quit It is a tiny motivating program, supporting and encouraging smokers to quit smoking and helping ex-smokers to stay quit.

It keeps track of the cigarettes you did not smoke and how much money you are saving. Furthermore it shows the benefits of quitting as text and calculates a nice ranking for you.

Not sure if this is what you are looking for? Try the lite version: http://itunes.apple.com/app/id468624531?mt=8

Features:
* Apple Watch support.
* Shows your saved money and time.
* Shows how much cigarettes you did not smoke.
* Define your own goals.
* Accomplish and share achievements.
* Shows the tar, nicotine and carbon monoxide you did not consume.
* Shows benefits of quitting.

Please note that the app will ask you about receiving push notifications. Accept it if you want to get notified when you accomplished a new achievement. The push notifications in this app are locally - no network bandwidth involved, no website or server will be contacted.