Table 1.

Summary of evaluation studies on diabetes mobile applications.

Study Code	Author	Country	Target Group	Sample Size	Duration of Intervention
S1	Kho et al., 2019 [9]	Singapore	Type 2 DM with HbA1C >7%	8	2 weeks
S2	Janatkhah et al., 2019 [12]	Iran	Type 1 and 2 DM adults	136	2 weeks
S3	Holtz et al., 2019 [18]	USA	Type 1 DM adolescents with their parents	10	4 weeks
S4	Peterson and Hempler, 2017 [19]	Denmark	Newly diagnosed type 2 DM	14	4 weeks
S5	Signal et al., 2020 [20]	New Zealand	Pre-diabetes or type 2 DM adults with HbA1C 41–70 mmol/mol	215	12 months
S6	Adu et al., 2020 [15]	Australia	Type 1 and 2 DM adults having a current recommended blood glucose level (BGL) target of 4–10 mmol/L	41	3 weeks
S7	Huang et al., 2019 [14]	Singapore	Type 2 DM, at or above the age of 21 years	41	12 weeks
S8	Lee et al., 2018 [21]	South Korea	Type 2 DM with HbA1C >6.5%, ≥19 years	158	phase I: 6 months, phase II: 6 months
S9	Ryan et al., 2017 [22]	Canada	Type 1 DM adults (onset of DM 11.8 ± 6.9 years)	18	observation phase of 4 weeks and a subsequent active phase of 4 months
S10	Vehi et al., 2019 [23]	Spain	Type 1 and 2 DM adults having diabetes for more than 1 year and no complication and HbA1C ≥8%	211	6 months
S11	Gunawardena et al., 2019 [13]	Sri Lanka	Type 1 and 2 DM adults with HbA1C >8%	54	6 months
S12	Agarwal et al., 2019 [24]	Canada	Type 2 DM adults with HbA1C >8%	139	6 months