Corresponding Apps: Digihaler™, Propeller Health, Hailie™. Web-based platform also available for Propeller Health, Hailie™ solution. Pros: portable, high acceptability among patients, improvements in asthma control in those with a digital health platform (e.g., Propeller Health, Hailie™ solution). Cons: Additional efficacy studies of the devices are needed, cost of devices are not always covered by insurance reimbursement Data sharing: Provider platform available to share results (e.g. Digihaler™, Propeller Health, Hailie™ solution), patients may share data from Digihaler™ also via file share.