Time Calculator - Time Calculator is one of the most prestigious, so variety calculating app which provide you different functionality to become more productive in life and stop using alcohol, smoking, and all the bad habits.
Smoke Free - Virtual "Quit Smoking Buddy" in your pocket
Kwit - Kwit is a cross-platform application with the function and features to help you quit smoking.
Lassie Smoke - The modern way to quit smoking
Sobriety Calculator - Sobriety Calculator is an Android-based application which calculates the sobriety.
Quitbit - A smart lighter and app to help smokers quit (pre-order)