Recommended by thousands of quitters, Smoke Free is a very useful app to help you quit smoking. This well-designed app has a clear layout, showing all the data that you would need to see frequently & upkeep your motivation. It calculates your yearly savings, the number of cigarettes you
avoided, the number of smoke-free seconds and even how much life you have regained! It also uses the data to tell you how much of a non-smoker you have become, in various bodily parameters like pulse, Oxygen levels, Nicotine ingestion, breathing, energy levels & so on.