Table 3 Number of apps with positive claims, supporting statements, and disclaimers in their app store descriptions

From: Using science to sell apps: Evaluation of mental health app store quality claims

Coding element n (%) of apps
§3. Positive claims 59 (81)
§3.a. Claims of effectiveness 47 (64)
§3.a.i. Detection or diagnosis 7 (10)
§3.a.ii. Improvement in symptoms or mood 22 (30)
§3.a.iii. Improvement in self-management 26 (36)
§3.b. Claims of acceptability 33 (45)
§4. Supporting statements 47 (64)
§4.a. Scientific language 32 (44)
§4.a.i. Specific technique described 24 (33)
§4.a.ii. Evidence from study using app 2 (2.7)
§4.a.iii. Citation to scientific literature 1 (1.4)
§4.b. Technical expertise 23 (32)
§4.b.i. Certification or accreditation 0
§4.b.ii. Prizes or awards 2 (2.7)
§4.b.iii. Credible developers 18 (25)
§4.b.iv. Credible endorsements 3 (4.1)
§4.c. Lived experience design 10 (14)
§4.c.i. Lived experience involvement 6 (8.2)
§4.c.ii. Lived experience developer 5 (6.8)
§4.d. “Wisdom of the crowd” 14 (19)
§4.d.i. Download, usage or popularity statistics 11 (15)
§4.d.ii. User testimonials 8 (11)
§4.d.iii. Press endorsements 6 (8.2)
§5. Negative claims 22 (30)
§5.a. Medical disclaimer 20 (27)
§5.b. Legal disclaimer 8 (11)
  1. All percentages are reported based on n = 73