Table 1.
General characteristics of apps (N=58).
| Feature | Android (n=29), n (%) | iOS (n=29), n (%) | Total (N=58), n (%) | ||||
| App store category | |||||||
|
|
Education | 4 (14) | 0 (0) | 4 (7) | |||
|
|
Health and fitness | 17 (59) | 18 (62) | 35 (60) | |||
|
|
Lifestyle | 1 (3) | 1 (3) | 2 (3) | |||
|
|
Medical | 7 (24) | 10 (34) | 17 (29) | |||
| App store rating, stars | |||||||
|
|
3.6 to 5 | 22 (76) | 18 (62) | 40 (69) | |||
|
|
1 to 3.5 | 3 (10) | 4 (14) | 7 (12) | |||
|
|
No ratings | 4 (14) | 7 (24) | 11 (19) | |||
| App cost | |||||||
|
|
Free | 18 (62) | 15 (52) | 33 (57) | |||
|
|
Free + in-app purchases | 11 (38) | 14 (48) | 25 (43) | |||
|
|
Paid | 0 (0) | 0 (0) | 0 (0) | |||
| Language | |||||||
|
|
English | 26 (90) | 23 (79) | 49 (84) | |||
|
|
English and other languages | 3 (10) | 6 (21) | 9 (16) | |||
| Target user of the app | |||||||
|
|
No target user | 25 (86) | 26 (90) | 51 (88) | |||
|
|
Police officers | 1 (3) | 0 (0) | 1 (2) | |||
|
|
Veterans | 1 (3) | 1 (3) | 2 (3) | |||
|
|
Youth aged 12-18 yearsa | 2 (7) | 2 (7) | 4 (7) | |||
| Scope of the app | |||||||
|
|
General mental health | 21 (72) | 18 (62) | 39 (67) | |||
|
|
Depression | 8 (28) | 11 (38) | 19 (33) | |||
| Type of app | |||||||
|
|
Information and education | 10 (34) | 5 (17) | 15 (26) | |||
|
|
Disease management with education section | 16 (55) | 21 (72) | 37 (64) | |||
|
|
Education with disease management section | 1 (3) | 2 (7) | 3 (5) | |||
|
|
Multimedia education | 2 (7) | 1 (3) | 3 (5) | |||
| Number of education topics | |||||||
|
|
<10 | 7 (24) | 6 (21) | 13 (22) | |||
|
|
10-20 | 18 (62) | 20 (69) | 38 (66) | |||
|
|
>20 | 4 (14) | 3 (10) | 7 (12) | |||
| Emergency contact information for users at risk of suicide | 16 (55) | 19 (66) | 35 (60) | ||||
| Peer-support communities | 2 (7) | 2 (7) | 4 (7) | ||||
| Non–evidence-based information | 10 (34) | 2 (7) | 12 (21) | ||||
aYouth was defined by the cutoff age provided by the apps.