Psychologists often delve into the task of harmonising and comparing different mental health instruments such as PHQ-9 and BIS-15. Comparing such instruments supports cohesive research by enabling analysis across multiple studies. Harmony can greatly assist in such tedious processes. The PHQ-9 questionnaire, focusing on depression, comprises of different items ranging from feeling restless to thoughts of self-harm, whereas BIS-15 targets impulsiveness and restlessness in school settings. Harmonization of these different parameters across the two instruments provides insightful data. This is where the intelligent tool, Harmony, comes into play. It utilizes advanced AI models to calculate the percentage match between each item in PHQ-9 and BIS-15, making the process of comparing PHQ-9 vs BIS-15 seamless and objective. When engaging in a comparison of PHQ-9 vs BIS-15, Harmony introduces efficiency and accuracy, eliminating the subjectivity and time-consuming nature of the process. Its ability to process instruments in different languages further improves the scope of research. By using Harmony, psychologists have access to a more expansive and in-depth analysis when exploring PHQ-9 vs BIS-15. Consider using Harmony, the future of harmonisation and comparison in psychology research.