BackgroundDirect support professionals support people with intellectual and developmental disabilities with essential health and community living needs. Despite an unrelenting workforce shortage crisis, limited evidence-based resources exist for their support. Resilience, or the ability to thrive in the face of challenges, is a target for health care professional wellbeing initiatives. As an “invisible” workforce interspersed throughout various community-based settings, direct support professionals may benefit from resources provided via mobile health apps. ObjectivesTo assess direct support professionals' acceptability of and preferences for the design of a mobile health app prototype to support their resilience, DSP Thrive. MethodThis concept generation and prototype design study employed a two-phase qualitative-descriptive design. Phase 1 assessed direct support professionals' acceptability of and preferences for a mobile health app for direct support professional resilience. Phase 2 elicited feedback on mock-up images of an initial prototype. Data were collected via qualitative interviews (n = 13), and transcripts were analyzed using content analysis. ResultsPhase 1: Direct support professionals identified three primary opportunities for an app to support their resilience: learning via educational resources, practicing resilience strategies, and cultivating a peer support network. Based on these findings, the DSP Thrive app prototype was designed with Learn, Practice, and Connect functions. Phase 2: User feedback on walk-throughs of mock-up images indicated initial acceptability of the prototype design with considerations for further development identified. ConclusionsEngaging direct support professionals in user-centered design of mobile health apps may help to bridge the gap to resilience resources for this essential workforce population.