**Our Goals** The NOSmoking app is supposed to diagnose and monitor the negative affects of smoking in people who are seeking to quit. By doing so we encourage people to keep going, presenting data in an easy-to-understand way and utilizing fun features such as streak-tracking, long and short-term goals. **Our Method** We used Javascript GUI cross-platformed with React Native so that our app could work on both Android and iOS. We used the online IDE Expo; later we wanted to switch this to VS Code because we did not have access to a terminal, but no one was able to help us.