Table 1.
App features.
| Features | Total sample (n=344) |
Increasing physical activity (n=275) |
Promoting healthy eating (n=23) |
Improving mental well-being (n=27) |
Preventing tobacco use (n=14) |
Reducing alcohol consumption (n=5) |
| Price (Aus $), mean (SD) | 1.19 (3.73) | 1.27 (3.8) | 0.78 (1.74) | 0.89 (3.00) | 0.89 (2.9) | 0.89 (2.01) |
| User rating, mean (SD) | 4.43 (0.41) | 4.44 (0.39) | 4.32 (0.36) | 4.5 (0.54) | 4.28 (0.47) | 4.6 (0.42) |
| Platform availability—Apple iTunes, n (%) | 344 (100) | 275 (100) | 23 (100) | 27 (100) | 14 (100) | 5 (100) |
| Can be used without add-ons, n (%) | 194 (56.4) | 182 (66.2) | 22 (95) | 27 (88) | 14 (100) | 5 (100) |
| Requires in-app payments, n (%) | 233 (67.7) | 191 (69.5) | 15 (65) | 17 (62) | 8 (57) | 2 (40) |
| One-off purchase required, n (%) | 141 (40.1) | 113 (41.1) | 10 (43) | 10 (37) | 6 (42) | 2 (40) |
| Had in-app advertisements, n (%) | 93 (27.1) | 75 (27.2) | 8 (34) | 3 (11) | 6 (42) | 1 (20) |
| Had a privacy statement, n (%) | 344 (100) | 275 (100) | 23 (100) | 27 (100) | 14 (100) | 5 (100) |
| Allowed password protections, n (%) | 32 (9.3) | 25 (9.0) | 3 (13) | 4 (14) | 0 (0) | 0 (0) |
| Allowed data to be exported, n (%) | 36 (13.4) | 35 (12.7) | 6 (26) | 5 (18) | 0 (0) | 0 (0) |
| Allowed sharing, n (%) | 219 (63.7) | 191 (69.5) | 8 (34) | 11 (40) | 10 (71) | 0 (0) |
| Had an app community, n (%) | 106 (30.8) | 88 (32.0) | 3 (13) | 6 (22) | 9 (46) | 1 (20) |
| Required login, n (%) | 134 (38.9) | 110 (40.0) | 8 (34) | 14 (51) | 2 (14) | 1 (20) |
| Sent reminders, n (%) | 215 (62.5) | 168 (61.1) | 14 (60) | 20 (74) | 12 (85) | 2 (40) |
| Needed Web access to function, n (%) | 118 (34.3) | 94 (34.2) | 6 (26) | 12 (44) | 5 (35) | 1 (20) |
| Asked permission for push notifications, n (%) | 225 (65.4) | 182 (66.2) | 14 (60) | 17 (62) | 11 (78) | 1 (20) |