Inclusion Criteria:

• * Medical diagnosis of Type 2 Diabetes; determined by review of subject-provided most recent Hg A1c.
• * Subject is under current care of a primary care provider or specialist
• * Clearance by medical provider to participate in diet, physical activity, and lifestyle changes
• * 18 years and above
• * Own a smartphone and be willing to install the Signos App to personally receive text messages or have access to a web-based survey to self-report their weight.
• * Willingness to complete quality of life questionnaires or other in-app surveys.
• * Willingness to use CGM device
• * Able to speak and read English
• * Be a Signos mHealth (mobile/web-based) user

Exclusion Criteria:

• * Medical diagnosis of Type 1 Diabetes
• * Type 2 Diabetes currently using insulin or most recent A1c ≥10%
• * Severe hypoglycemia \<54 mg/dl resulting in seizure or unconsciousness, or requiring assistance/EMS/hospitalization - within 3 months prior to enrollment
• * Current medical diagnosis of an eating disorder (such as anorexia nervosa or bulimia)
• * Medical conditions (e.g., such as seizure disorder) requiring a specific medical diet.
• * Inborn error of metabolism such as phenylketonuria (PKU), glycogen storage disease, fructose intolerance, Maple Sugar Urine Disease (MSUD).
• * History of 10 or more soft tissue skin infections (such as cellulitis or abscesses)
• * Intolerable skin reaction from adhesive
• * Currently taking any of the following medications: Clozapine, Hydroxyurea, or any form of insulin.