Table 4 |.
App characteristics
| Characteristics | All Apps (n = 46) | General (n = 38) | Adolescent (n = 8) |
|---|---|---|---|
| App Source | |||
| Apple App Store (n, %) | 20 (43.48%) | 18 (47.37%) | 2 (25.00%) |
| Google Play Store | 26 (56.52%) | 20 (52.63%) | 6 (75.00%) |
| Reviews (median) | 134.00 | 169.50 | 22.00 |
| Rating (mean, SD) | 4.25 (0.49) | 4.32 (0.47) | 3.98 (0.50) |
| Google Play downloads (n, %) | |||
| 1,000–5,000 | 6 (23.08%) | 4 (20.00%) | 2 (33.33%) |
| 5,000–10,000 | 2 (7.69%) | 1 (5.00%) | 1 (16.67%) |
| 10,000–50,000 | 3 (11.54%) | 2 (10.00%) | 1 (16.67%) |
| 50,000–100,000 | 4 (15.38%) | 3 (15.00%) | 1 (16.67%) |
| 100,000–500,000 | 8 (30.77%) | 8 (40.00%) | 0 (0.00%) |
| 500,000–1,000,000 | 2 (7.69%) | 2 (10.00%) | 0 (0.00%) |
| 1,000,000–5,000,000 | 1 (3.85%) | 0 (0.00%) | 1 (16.67%) |
| Main functions (n, %) | |||
| Tracker | 36 (78.26%) | 31 (81.58%) | 5 (62.50%) |
| Calculator | 31 (67.39%) | 27 (71.05%) | 4 (50.00%) |
| Rationing | 7 (15.22%) | 7 (18.42%) | 0 (0.00%) |
| Hypnosis | 5 (10.87%) | 5 (13.16%) | 0 (0.00%) |
| Game | 1 (2.17%) | 0 (0.00%) | 1 (12.50%) |
All characteristics assessed for all apps with the exception of Google Play Downloads which was only able to be assessed for apps from the Google Play store (sample sizes are as follows: All = 26; General = 20; Adolescent = 6). Rating scale = 1–5. For “rating,” sample size for all apps = 34; general = 27; adolescent = 7. See Supplementary Table 1 for description of main functions. For “reviews,” the range = 0 to 28,003 for all apps; general = 0 to 15,085; adolescent = 2 to 28,003. For “Main functions,” each app could be coded as more than one category.