In psychology research, a common necessity is the harmonisation of different questionnaires to draw consistent conclusions across studies. One such common comparison is the Beck Anxiety Inventory vs ESPAD. These tools address different aspects of mental health, with the Beck Anxiety Inventory focusing on anxiety symptoms and ESPAD charting tobacco use among adolescents. While they serve different purposes, there is a significant overlap in the factors that they measure which often needs to be harmonised for comprehensive research findings. Harmony provides an ingenious solution to this harmonisation problem. Utilizing advanced natural language processing and generative AI models, Harmony can efficiently compare and match questionnaire items across the Beck Anxiety Inventory vs ESPAD, even if the questionnaires are in different languages. This facilitates in-depth cross-study analyses, allowing researchers to investigate possible links between anxiety symptoms (as quantified by the Beck Anxiety Inventory) and substance use (as quantified by ESPAD) with incredible ease and accuracy. The software’s database even allows users to add their own scales, further expanding its capabilities. In conclusion, when it comes to conducting an in-depth examination of Beck Anxiety Inventory vs ESPAD, Harmony is an exceptional tool to consider. Not only does it streamline the tedious process of questionnaire harmonisation but also enables important comparisons in various languages. For psychologists grappling with the task of comparing Beck Anxiety Inventory and ESPAD, Harmony offers a convenient, precise, and efficient solution.