This book constitutes the proceedings of the 4th International Conference on Digital Transformation in Education and Artificial Intelligence Applications, MoStart 2026, held in Mostar, Bosnia and Herzegovina, during April 22–24, 2026.The 19 full papers presented in this volume were carefully reviewed and selected from 76 submissions. They focus on advanced educational technology, intelligent systems, robotics in education, security within Industry 4.0 frameworks, the implementation of large language models in personalized learning environments, and broader cross-disciplinary applications of AI.

This book constitutes the proceedings of the 4th International Conference on Digital Transformation in Education and Artificial Intelligence Applications, MoStart 2026, held in Mostar, Bosnia and Herzegovina, during April 22–24, 2026.The 19 full papers presented in this volume were carefully reviewed and selected from 76 submissions. They focus on advanced educational technology, intelligent systems, robotics in education, security within Industry 4.0 frameworks, the implementation of large language models in personalized learning environments, and broader cross-disciplinary applications of AI.