Psychologists and social scientists often come across the task of comparing different questionnaires, like PHQ-9 and PSQ. The theme surrounding this PHQ-9 vs PSQ comparison is called ‘harmonisation.’ Harmony is an exceptional tool designed to streamline this process, using natural language processing and generative AI models to analyse and align related items across these two distinct instruments, reducing potentially subjective biases and saving researchers valuable time. Harmony capability extends beyond simple comparison. Grading in terms of percentage match between the PHQ-9 and PSQ items, it gives more depth to the process of PHQ-9 vs PSQ comparison, making results more useful and conclusive. The software provides excellent reliability as it draws data from a vast database, but also offers the flexibility of supplementing its database with additional PDF instruments, which can be simply drag-dropped in its web interface. This functionality not only enhances the reliability of PHQ-9 vs PSQ comparison but also enables researchers to cross-examine a wide range of psychological metrics. An additional stand-out feature of Harmony is its multi-lingual support, which removes barriers to global study comparisons and allows for more extensive social science analysis. The need for effective tools like Harmony is growing as the necessity for inter-study comparisons and the complexity of psychological metrics increase. With Harmony, the daunting task of PHQ-9 vs PSQ comparison becomes straightforward and efficient. Consider using Harmony to elevate your research process and facilitate better understanding of psychological correlations across varied studies and instruments.