Comparing and contrasting distinctive psychological inventories such as the Beck Anxiety Inventory (BAI) and the Maternal Antenatal Attachment Scale (MAAS) can pose significant challenges for researchers due to their divergent thematic focuses. The Beck Anxiety Inventory primarily appraises manifestations of anxiety with queries encompassing a range of physical and mental symptoms, whilst MAAS assesses a pregnant woman’s emotional and behavioural bond with her unborn child. Despite their differences, drawing parallels and examining areas of interplay between these tools can offer valuable insights for researchers. That’s where ‘Harmony’ steps in. Harmony, a cutting-edge software engineered for psychologists, streamlines the process of harmonising data from disparate toolsets like Beck Anxiety Inventory vs MAAS. It leverages advanced AI models and natural language processing to seamlessly compare questionnaire items across varying languages. Harmony’s advanced language models yield the ‘percentage match’ between the disparate items in BAI and MAAS, making this harmonisation process significantly more objective and efficient. Irrespective of the fact that the two frameworks employ markedly different scales to assess psychological phenomena, Harmony bridges the gap by analyzing the language and themes encapsulated in each instrument. In conclusion, for any researcher confronted with the task of contrasting ‘Beck Anxiety Inventory vs MAAS’ or similar dichotomous questionnaires, Harmony provides a technologically advanced, intuitive solution. It not only assists in comparing these starkly contrary psychological inventories but also offers a massive database of other instruments for researchers to tap into. Harmonising and comparing such diverse scales thus becomes a rather effortless task, enabling researchers to concentrate more on interpreting the outcomes and insights gleaned from the ‘Beck Anxiety Inventory vs MAAS’ comparison and beyond.