Table 2.
Features of Interest of the apps (N=16).
| Feature | Values, n (%) | |
| Language |
|
|
|
|
English | 13 (82) |
|
|
Dutch | 1 (6) |
|
|
Spanish | 1 (6) |
|
|
Multi-language | 1 (6) |
| Developer country |
|
|
|
|
Canada | 1 (6) |
|
|
Scotland | 1 (6) |
|
|
Spain | 1 (6) |
|
|
United Kingdom | 2 (13) |
|
|
United States | 6 (38) |
|
|
Not specified | 5 (31) |
| Screenshots |
|
|
|
|
Yes | 15 (94) |
|
|
No | 1 (6) |
| In-app ads |
|
|
|
|
Yes | 1 (6) |
|
|
No | 15 (94) |
| Platform |
|
|
|
|
Android | 10 (63) |
|
|
iOS | 2 (13) |
|
|
Both | 4 (25) |
| User journey |
|
|
|
|
Yes | 12 (75) |
|
|
No | 4 (25) |
| Last update |
|
|
|
|
2013 | 1 (6) |
|
|
2015 | 1 (6) |
|
|
2016 | 4 (25) |
|
|
2017 | 4 (25) |
|
|
2018 | 6 (38) |