Gather mHealth India RCT for Behavior and Health Outcomes

Inclusion Criteria: * Type 2 diabetes mellitus, diagnosis for \> 6 months. * Age 18-65, participants of either gender- males or females. * HbA1c between 7.5% and 12.5% within last 6 months (inclusive). * On stable diabetes therapy for \>3 months prior to enrollment. * Own an Android Smartphone. * Participant willing to sign and date written Informed Consent Form to participate in the study. * Willing to comply with the study schedule and procedures including randomization. Exclusion Criteria: * Previously used Gather Health * Currently using an insulin pump or continuous glucose monitor. * Pregnant or planning to become pregnant in the next 12 months. * Severe hearing or visual impairment. * Active substance, alcohol, or drug abuser (sober \<1 year). * Any psychiatric illness including psychosis or schizophrenia that will impair the patient's ability to complete the study or follow study protocol. * Recent major surgery or planning to have major surgery * Significant renal, hepatic, or other disease that may impair patient's ability to complete the study or follow study protocol * Using glucocorticoids * Patients who have received or are planning to receive an organ transplant