Table 3 Results of objective measurements of both applications Google Maps/Google Apps
From: Usability evaluation of mobile applications using ISO 9241 and ISO 25062 standards
Usability metric | Google Maps | Google Apps | ||||
|---|---|---|---|---|---|---|
Expert | Median | Std. deviation | Expert | Median | Std. deviation | |
Time to learn and use(s) | 27 | 60 | 291.11 | 15 | 180 | 182.95 |
Time to install (s) | 60 | 60 | 154.87 | 120 | 420 | 546.70 |
Response time (s) | 14 | 14.00 | 49.08 | 70 | 60 | 199.93 |
Data entry time (s) | 24 | 24 | 55.99 | 80 | 109 | 84.88 |
Number of errors | 1 | 1 | 4.02 | 2 | 1 | 2.13 |
Tasks time (s) | 126 | 180 | 480.04 | 150 | 540 | 585.89 |
Completion rate (%) | 100 | 100 | 31.82 | 100 | 100 | 18.07 |
Number of voice support | 0 | 0 | 0 | 0 | 0 | 0 |