Lack of proper irrigation management by most producers Is considered the main factor with direct interference with productivity, cost of production, quality of products commercialized and especially in the environmental issue, where the inadequate use of water from our sources could seriously jeopardize our future generations. This mobile application is capable of using its own database in the realization of the simplified calculation of daily irrigation time for each crop on a given date. The application aims to assist in the management of a rational use of water.