Table 1.
Characteristics of Chinese smoking cessation apps.
| Characteristic | Amount | |
| Release date, n (%) | ||
| 2009 | 2 (3) | |
| 2010 | 1 (2) | |
| 2011 | 6 (9) | |
| 2012 | 8 (13) | |
| 2013 | 8 (13) | |
| 2014 | 12 (19) | |
| 2015 | 6 (9) | |
| 2016 | 1 (2) | |
| Unknown | 20 (31) | |
| Average file size (in megabytes), mean (SD) | 11.05 (14.28) | |
| Frequency of downloadsa, n (%) | ||
| 10-100 | 4 (11) | |
| 100-1000 | 12 (33) | |
| 1000-10,000 | 14 (39) | |
| >10,000 | 6 (17) | |
| User ratings, n (%) | ||
| 1 star | 2 (3) | |
| 2 stars | 6 (9) | |
| 3 stars | 28 (44) | |
| 4 stars | 8 (13) | |
| 5 stars | 3 (5) | |
| Missing | 17 (27) | |
| Functionb, n (%) | ||
| Calculator | 34 (53) | |
| Calendar | 27 (42) | |
| Hypnosis | 1 (2) | |
| Rationing | 8 (13) | |
| Other | 21 (33) | |
| Designers, n (%) | ||
| Individuals or technology companies | 58 (91) | |
| Government agencies | 3 (0) | |
| Unidentified sources | 3 (0) |
aAndroid apps only.
bA total of 42% of apps had multiple functions.