Table 6.

Assessment of whether the 20 detailed questions could be answered on the basis of the available app descriptions (Q4, “yes”, “no”, “don't know”, based on N=343 evaluations with a total of 6860 individual answers).

Item	Yes, n (%)	No, n (%)	Do not know, n (%)	No data, n (%)
Indication of purpose	321 (93.6)	19 (5.5)	3 (0.9)	—a
Description of functionalities	298 (86.9)	38 (11.1)	7 (2.0)	—a
Information on the field of application	263 (76.7)	68 (19.8)	10 (2.9)	2 (0.6)
Information on the target group	233 (67.9)	96 (28.0)	13 (3.8)	1 (0.3)
Information on inclusion of feedback from the relevant user groups	40 (11.7)	273 (79.6)	28 (8.2)	2 (0.6)
Description of restrictions and limitations	43 (12.5)	284 (82.8)	15 (4.4)	1 (0.3)
Indication of undesired effects	8 (2.3)	315 (91.8)	18 (5.2)	2 (0.6)
Information on potential or actual risks	20 (5.8)	304 (88.6)	18 (5.2)	1 (0.3)
Information on the precautions taken to avoid the aforementioned risks	20 (5.8)	306 (89.2)	15 (4.4)	2 (0.6)
Authorship (authors or developers have been named)	67 (19.5)	249 (72.6)	25 (7.3)	2 (0.6)
Information on sources used	38 (11.1)	279 (81.3)	24 (7.0)	2 (0.6)
Information on certificates, quality seals, or something similar having been awarded	25 (7.3)	296 (86.3)	22 (6.4)	—a
Information on quality assured development	34 (9.9)	282 (82.2)	27 (7.9)	—a
Information on the medical device status	32 (9.3)	274 (79.9)	37 (10.8)	—a
Information on financing	45 (13.1)	280 (81.6)	16 (4.7)	2 (0.6)
Conflicts-of-interest-related information	10 (2.9)	303 (88.3)	27 (7.9)	3 (0.9)
Information about user privacy rights	41 (12.0)	277 (80.8)	23 (6.7)	2 (0.6)
Information on the beneficiary of the data	27 (7.9)	278 (81.0)	37 (10.8)	1 (0.3)
Specification of the data storage location	25 (7.3)	301 (87.8)	16 (4.7)	1 (0.3)
Information on ethical soundness	10 (2.9)	309 (90.1)	22 (6.4)	2 (0.6)
Total number of ratings	1600 (23.32)	4831 (70.42)	403 (5.87)	26 (0.38)

^aNot applicable.