In each institution or agency required the existence of corporate governance of information technology is good, one of them by applying the maturity level measurement method using framework COBIT 4.1. In real world, measurement of process maturity level found is currently still use the manual way, IE with the Microsoft Excel software. To run a more efficient and focused measurement, required applications that serve specifically as a maturity level counters that can facilitate audit in the collection of data from questionnaire or assessment of IT process result maturity level itself. The required application computerized with desktop-based. Desktop applications created with the windows form system and using the c# programming language. In terms of the management of data, this application is associated with the database that was created by using Microsoft SQL Server 2014. The main function of this desktop application is retrieving the value of the questionnaire and number them so as to produce the maturity value of the IT processes within an institution or agency. Based on the test results, this desktop application is running properly in accordance with the draft. This application is expected be able to help the audit in terms of the measurement of maturity level for the sake of information technology governance