Table 5.
Functionality assessment of the PainRELife mobile app using the Mobile Application Rating Scale (MARS) [37,38] (n=23).
| Functionality assessment | Response, n (%) | ||||
|
|
Strongly disagree | Disagree | Undecided | Agree | Strongly agree |
| Ease of usea | 0 | 0 | 2 (9) | 8 (35) | 13 (57) |
| Gestural designb | 1 (4) | 0 | 2 (9) | 8 (35) | 12 (52) |
| Navigationc | 0 | 1 (4) | 2 (9) | 12 (52) | 8 (35) |
| Performanced | 0 | 3 (13) | 8 (35) | 7 (30) | 5 (22) |
a“How easy is it to learn how to use the app?”; “How clear are the menu labels/icons and instructions?”
b“Are interactions (taps/swipes/pinches/scrolls) consistent and intuitive across all components/screens?”
c“Is moving between screens logical/accurate/appropriate/uninterrupted; are all necessary screen links present?”
d“How accurately/fast do the app features (functions) and components (buttons/menus) work?”