This is a standard smoking cessation smartphone app using the latest evidence-based smoking cessation methods and behavior change theory. Subjects will be encouraged to set a quit date of 3 weeks, to allow comparison to experimental arm quit date.

This is a 3-week smartphone-based training program that trains mindfulness for smoking cessation by helping smokers self-monitor their smoking habits, recognize when and how often they smoke, identify triggers for smoking, and learn methods to become more mindful of triggers, to quit smoking with a target quit date of 3 weeks.

This is a free smoking cessation smartphone app using the latest evidence-based smoking cessation methods and behavior change theory. The app allows users to set a quit date, financial goals, and reminders, track daily smoking habits with an easy-to-use calendar, see graphs tracking money saved and number of packs not smoked, receive health milestones and craving tips to stay motivated, connect with social networks to give milestone updates, create a video diary, and watch personalized video messages from loved ones

Subjects will be assessed for smoking abstinence at a 6-month follow-up.

Subjects will be assessed for smoking abstinence at a 3-month follow-up.