Harmony offers a streamlined method for psychologists and researchers aiming to understand behavioural trends and patterns using different instruments, specifically the likes of the Strengths and Difficulties Questionnaire (SDQ) and the Food Neophobia Scale (FNS). In the world of psychological studies and conclusions, a comparative analysis such as SDQ vs FNS is pivotal to gauge accurate results, and Harmony with its advanced technologies provides an optimized solution for it seamlessly. The SDQ vs FNS comparison holds significant importance to researchers. Both SDQ and FNS act as powerful tools for psychological evaluation, each with their unfocused spectrums. SDQ caters to behavioural understanding of young individuals across a wider timeframe, whereas FNS offers specific assessments of children’s eating habits. Harmony bridges this gap and brings coherence to understand and match various aspects from the two seemingly different realms, thereby enhancing the overall comparison and analysis power. Harmony utilizes large language models and state-of-the-art natural language processing algorithms for effective harmonisation. It not only facilitates a detailed comparison of SDQ vs FNS questions but also quantifies the match between the items in multiple languages. Enabling researchers to undertake a longitudinal analysis, Harmony brings new and unique perspectives to the SDQ vs FNS study. With its intuitive interface and sophisticated AI models, Harmony is a promising step towards making psychology research more accessible and practical.