Effectiveness of Digital Mental Health Interventions for Children and Adolescents Fernández Batanero, José María Fernández Cerero, José Montenegro-Rueda, Marta Fernández-Cerero, Daniel Mental health Digital technology Digital intervention Children Adolescents The publication is part of the project PID2022-138346OB-I00, funded by MICIU/AEI/10.13039/501100011033/ERDF, EU. Supplementary Materials. The following supporting information can be downloaded at: https://www.mdpi.com/article/10.3390/children12030353/s1 Background/Objectives: Children’s mental health is an issue of growing global concern, with a significant impact on children’s emotional, social and cognitive development. In recent years, digital apps and platforms have emerged as innovative tools to address mental health challenges. This systematic review aims to evaluate the effectiveness of these technologies in supporting children’s and adolescents’ mental health. Methods: A systematic search of PubMed, PsycINFO, Scopus and Web of Science databases was conducted. Results: The results suggest that digital apps and platforms have significant potential to support children’s mental health. However, their effectiveness depends on factors such as app design, parental involvement and cultural adaptation. Conclusions: The inclusion of gamified elements and integration with traditional mental health strategies can enhance outcomes. 2025-03-25T12:28:15Z 2025-03-25T12:28:15Z 2025-03-12 journal article Fernández-Batanero, J.M.; Fernández-Cerero, J.; Montenegro- Rueda, M.; Fernández-Cerero, D. Effectiveness of Digital Mental Health Interventions for Children and Adolescents. Children 2025, 12, 353. https://doi.org/10.3390/children12030353 https://hdl.handle.net/10481/103289 10.3390/children12030353 eng http://creativecommons.org/licenses/by/4.0/ open access Atribución 4.0 Internacional MDPI