Table 1.

Technical aspects of apps according to platform.

	App Store (n=25), n (%)	Google Play (n=24), n (%)
Allows sharing	12 (48)	10 (42)
Has an app-linked community	3 (12)	1 (4)
Has the ability to password-protect	10 (40)	3 (12.5)
Requires a login ID	4 (16)	2 (8)
Sends reminders	25 (100)	24 (100)
Needs internet access to work	10 (40)	8 (33)