Physician diagnosis of asthma on regular prescribed controller therapy for 3 months prior to enrollment (per EMR or self-report)

Age: ≥18 years of age

Obese: BMI ≥30 kg/m2

Poorly controlled asthma (defined as one or more of the following criteria:

Asthma Control Test Score ≤19, or

Use of rescue inhaler on average \>2 uses/week for preceding month, or

Nocturnal asthma awakening on average ≥1 times/week in preceding month, or

ED/hospital visit or prednisone course for asthma in past six months

Ability and willingness to provide informed consent

Internet access on a mobile smart phone to access the digital exercise program

Pilot of Exercise and Asthma Control