Table 4.

Functions of the mobile apps.

Study	Communication	Blood glucose	Diet	Blood pressure	Medication	Physical activity	Weight
Fioravanti [46]	Chat with HCPa, messages and individualized automated feedback according to the TTMb	Manual input	Manual input	Manual input	Manual input	Manual input	Manual input
Kim [47]	Messages and individualized feedback	Manual input	—	Manual input	—	—	—
Logan [48]	Individualized automated feedback	—	—	Bluetooth	—	—	—
Takenga [49]	Messages and individualized feedback	Automatic transfer and manual input	Manual input	Manual input	Manual input	Manual input	Manual input
Waki [50]	Individualized automated feedback according to Japan Diabetes Society guidelines	Automatic transfer	Voice, text, or photo of meal	Automatic transfer	—	Automatic transfer of pedometer or voice or text	Automatic transfer
Zhou [51]	Messages and individualized feedback	Manual input	Manual input	—	Manual input	—	—

^aHCP: health care personnel.

^bTTM: transtheoretical model stages of change.