The main purpose of this study it's to present a web application called EndusCheck as a solution to facilitate the process to determine end user's satisfaction that uses learning objects mainly, but it can be used to measure satisfaction level in another educative modalities and technologies too. In fact, it can be used to determinate satisfaction to any product or service. In this document first it talks about Services Theory and it's relation with educational services across satisfaction studies. Then it presents the main problem to determine satisfaction implementing the gap number 5 from Servqual Model. This document includes a Conceptual Model that it's presented, as a theoretical fundament to develop EndusCheck. Besides are presented all the normal software development phases. Also this study, focus on the three main features that distinguish EndusCheck from another commercial applications. Finally, it intends EndusCheck as a solution that facing the gap's calculation.