Inclusion Criteria:  Intervention:  ≥ 18 years All new patients admitted via the Acute medical via AAU (or AEC) Current smoker and willing to quit Smartphone owner Fluent in English (verbal and written) Able to give informed consent Able and willing to attend a follow up visit in 12 weeks.  Control:  - Meet above inclusion criteria except ownership of smartphone.  Exclusion Criteria:  < 18 years Patient refusal