Table 1.

Summary of paper categories and their respective citations (N=52).

Category	Number of papers, n (%)	General explanation of category
Category 1: generic methodologies	5 (10)	Papers that propose generic methodologies to evaluate the quality of mHealth apps and health websites [30] Papers that propose generic methodologies to evaluate the quality of mHealth apps [31-34]
Category 2: health condition–specific methodologies	8 (15)	Papers that propose methodologies designed specifically to evaluate the quality of mHealth apps which focus on one medical condition (ie, AQELa to evaluate the quality of nutrition apps) [35-42]
Category 3: use of existing methodologies	39 (75)	Papers that use a prepublished methodology to evaluate certain groups of mHealth apps (ie, the use of MARSb to evaluate the quality of traditional medicine mHealth apps available in Iran) [43-81]

^aAQEL: App Quality Evaluation Tool.

^bMARS: Mobile App Rating Scale.