“…One reason for limited reach and suboptimal engagementproblems that are not unique to eating disorders (e.g., Arean et al, 2016;Gilbody et al, 2015;Hermes & Rosenheck, 2016;Localytics, 2017;Owen et al, 2015;Quanbeck et al, 2018;Shaw et al, 2016)-is that technology-enabled services are not designed for the users and contexts in which they will be implemented (Lyon & Koerner, 2016;Mohr, Lyon, Lattie, Reddy, & Schueller, 2017;Mohr, Riper, & Schueller, 2018;Mohr, Weingardt, Reddy, & Schueller, 2017). A clinical review of mental health smartphone apps cited app design as a primary problem leading to low engagement: many apps are not designed with service users in mind and do not solve problems about which users care most (Torous, Nicholas, Larsen, Firth, & Christensen, 2018).…”