The objective of this study is the creation and evaluation of the usability of a mobile songbook application in the current Kichwa language. The research focus is applied in nature, with an emphasis on application design. A group of 15 users constituted the study population for this project. The collection of information about usability is based on the SUS (System Usability Scale) questionnaire, which is a reliable and fast tool to measure usability, which is made up of 10 questions, the answers were evaluated using a scale of Likert of 5 points to measure the evaluation of the participants. The information processing was carried out statistical tables and graphs made in Excel that allowed a better analysis of the data collected through the usability questionnaire in order to determine the correct functioning of the system and reach the pertinent conclusions, in addition to verifying the...