Inclusion Criteria:  Participant with Type 1 diabetes Age ≥ 6 years to <30 years  Using Insulin infusion pump (CSII) therapy including those with low glucose suspend and predictive low glucose suspend features  Insulin pump must not use automated insulin delivery (closed loop, artificial pancreas) Total daily dose of insulin must be greater than 0.5 units/kg/day Participants / parents are required to have minimum computer skills and access to a computer in order to upload their personal devices (Pump, BG meter etc) to Tidepool. Participants using Dexcom sensors will allow access to their account for the study duration Participants not using CGM must agree to test BG at least 4 times a day at appropriate intervals Participants / parents will have to have a smartphone (Apple or Android and Windows)  Exclusion Criteria:  An episode of diabetic ketoacidosis within the month prior to study entry Any significant diseases / conditions including psychiatric disorders and substance abuse that in the opinion of the investigator is likely to affect the subject's ability to complete the study or compromise patient's safety, Current participation in any other interventional study Female subject who is pregnant or lactating or planning to become pregnant within the planned study duration Severe hypoglycemia within six months prior to enrollment as defined by the ADA and Endocrine Society Current use of the following medications: medications that are used to lower blood glucose such as Pramlintide, Metformin and GLP-1 analogs. Beta blockers, glucocorticoids and other medications, which in the judgment of the investigator would be a contraindication to participation in the study (Anticoagulant therapy e.g. Plavix, LMW heparin, Coumadin, Immunosuppressant therapy) Participants suffers from an eating disorder