Table 1

App characteristics

CharacteristicNo (%)
Category*:
 Consumer medicines information13 (54)
 Clinician drug reference12 (50)
 Drug record12 (50)
 Drug adherence and reminders8 (33)
 Health information/symptom checker5 (21)
 Message health professional5 (21)
 Dose calculator4 (17)
 Pill identifier4 (17)
 Ordering prescription refills3 (13)
 Drug coverage/pricing3 (13)
No of downloads†:
 500-10003 (13)
 1000-50003 (13)
 5000-10 0004 (17)
 10 000-50 0001 (4)
 50 000-100 0002 (8)
 100 000-500 0006 (25)
 500 000-1 000 0001 (4)
 1 000 000-5 000 0003 (13)
 5 000 000-10 000 0001 (4)
Cost incurred to download:
 No20 (83)
 Yes4 (17)
Contains advertising:
 No18 (75)
 Yes6 (25)
Offers in-app purchases:
 No18 (75)
 Yes6 (25)
Has a privacy policy:
 No2 (8)
 Yes22 (92)
Type of developer:
 Privately held company15 (63)
 Publicly traded company or subsidiary4 (17)
 Individual3 (13)
 Not-for-profit organisation2 (8)
Location:
 North America14 (58)
 Australia/New Zealand7 (29)
 Europe2 (8)
 China1 (4)
Clinician involvement:10 (38)
 Founder8 (33)
 Peer reviewer4 (17)
  • * Apps often had multiple functionalities therefore percentages do not add to 100%.

  • As reported in Google Play store at time of sampling (November 2017).