The goal of this study is to compare the effectiveness of two smoking cessation programs to determine which better helps people change their smoking behavior, the control or the experimental intervention? Both interventions include access to a mHealth app and other publicly available stop-smoking resources. The two app versions each include best practice advice and guidance for quitting smoking, but one includes additional content designed for people who aren't ready to quit smoking.

The investigators hypothesize that people who receive the experimental intervention will be more likely to request additional stop-smoking resources offered through the intervention and report smoking abstinence after 6 months.

The investigators also hypothesize people assigned to the experimental app will have better app engagement and be more likely to report positive changes in their smoking behavior and use of other evidence-based stop smoking treatments that are publicly available.

Inclusion Criteria:

• 18 years of age and older
• Current cigarette smoker who is ambivalent about smoking
• Not actively using any treatment to quit smoking
• Own and regularly use a smartphone
• State willingness to install and use their assigned app
• Willingness to receive study communications
• Smoke at least half a pack a day
• Meet geolocation requirements

Exclusion Criteria:

• A lifetime history of dementia or psychosis
• Visual impairments that prevent viewing phone content and they lack adaptive devices
• Report medical contra-indications for over-the-counter NRT use
• Due to the potential for bias introduced by fraudulent participants, other exclusions will be applied to deter fraudulent enrollment.

Deidentified data and accompanying data dictionaries will be stored for future sharing as anonymized data sets in a data repository per NIH data sharing requirements.