Table 3.
System Usability Scale (SUS) scores out of 100 and the mean user version of the Mobile App Rating Scale (uMARS) scores out of 5.
| App evaluation scales or aspects | P1 | P2 | P3 | P4 | |||||
| SUS | 72.5 | 77.5 | 95 | 80 | |||||
| uMARS, mean (SD) | |||||||||
|
|
Engagement | 4 (0.7) | 4 (0.7) | 3.8 (1.3) | 2.6 (1.1) | ||||
|
|
Functionality | 3.8 (1.5) | 4.5 (0.6) | 4.75 (0.5) | 4 (0.8) | ||||
|
|
Aesthetics | 4.7 (0.5) | 4.3 (0.6) | 4.7 (0.6) | 3.7 (0.6) | ||||
|
|
Information | 3.8 (0.5) | 4.5 (0.6) | 4.5 (0.6) | 4.3 (1.0) | ||||
|
|
Overall quality | 4.0 (0.4) | 4.3 (0.2) | 4.4 (0.4) | 3.6 (0.7) | ||||
|
|
App subjective quality | 4.3 (1.0) | 3.8 (0.5) | 4.0 (0.8) | 3.3 (1.7) | ||||
|
|
Perceived impact | 4.7 (0.5) | 3.0 (0.9) | 4.0 (0.6) | 3.5 (0.8) | ||||