This research aims to develop, test the feasibility and effectiveness of interactive multimedia based on Appy Pie to improve the cognitive learning outcomes of students in grade V of SD Negeri Kemijen 02, Semarang City. This type of research is development research (R&D) using the ADDIE model. The subjects of the study were 27 students in grade V of SD Negeri Kemijen 02. Data collection techniques include non-test and test. The data analysis technique uses normality test, homogeneity test, t-test, and N-Gain test. The results showed that the Appy Pie-based interactive multimedia development included covers, instructions for use, concept maps, learning competencies, materials, videos, discussion pages, AI chatbots, and evaluations. The feasibility results of media experts are 97.91% "very feasible", material experts are 89.28% "very feasible". The effectiveness of multimedia is proven through the t-test which shows a significance value of 0.000 (<0.05) with an N-gain value of 0.68 in the medium category. This study concludes that Appy pie-based interactive multimedia has been successfully developed with a very feasible and effective category to improve the learning outcomes of IPAS for grade V students of SD Negeri Kemijen 02 Semarang City.