Table 5.
Mobile App Rating Scale quality ratings (N=59 evaluations of 47 apps).
| MARSa evaluation scores | Median | IQR | Range | Apps rated good, n | Apps rated excellent, n |
| Engagement subscale | 3.00 | 2.60-3.40 | 1.80-4.20 | 12 | 0 |
| Functionality subscale | 4.25 | 3.75-4.75 | 2.0-5.0 | 26 | 24 |
| Aesthetics subscale | 4.33 | 4.0-4.67 | 2.0-5.0 | 32 | 10 |
| Information quality subscale | 3.60 | 3.0-3.80 | 1.75 -4.8 | 30 | 1 |
| Objective MARS scoreb | 3.63 | 3.24-3.99 | 2.07-4.28 | 38 | 1 |
| Data security subscale | 2.33 | 1.0-3.33 | 1.0-5.0 | 5 | 3 |
| Accessibility subscale | 3.00 | 2.0-3.67 | 1.0-5.0 | 18 | 1 |
| Modified MARS scorec | 3.41 | 2.99-3.64 | 2.35-4.57 | 25 | 0 |
| Subjective MARS score | 2.50 | 2.0-3.5 | 1.0-4.25 | 20 | 1 |
aMARS: Mobile App Rating Scale.
bObjective MARS score=mean of engagement subscale+functionality subscale+aesthetics subscale+information quality subscale.
cModified MARS score=mean of objective MARS score+data security subscale+accessibility subscale.