On 2 July, researchers from Austria, Finland, Germany, Italy, Luxembourg, the Netherlands and Sweden published an article on the development of a digital platform for dementia prevention in JMIR Aging. The study presents a mobile app for older adults and a clinical trial management system (CTMS) for professionals, both designed within the LETHE project to support a digitally enabled lifestyle intervention. Usability was tested among 156 participants enrolled in an ongoing 2-year randomised controlled trial across four countries. Feedback collected one month after enrolment showed positive results. The mobile app received a median System Usability Scale score of 70 in the intervention group and 73 in the control group. The CTMS also received mostly favourable feedback, with personalised activities and real-time appointments seen as standout features. While results are limited to participants with digital access and skills, the tools were well received and support further testing of digital interventions for cognitive health. The article has been published open access and can be read here: