Providing the users of learning supports with superior service has enabled UT to build and grow service commitment that can contribute to the needs of society, employees, and, most notably, students in online tutorials (tuton). Designed in a web-based environment, online tutorials is one of UT learning supports that offers versality of tutorial experience. One of the indicators whether optimal service applies to the business operations is measuring the satisfaction level of students as service users. This study aimed to figure out the satisfaction level of tuton students in terms of the quality of information system and personal service of online tutors at Universitas Terbuka. Data were acquired from 50 tuton-student respondents at UT 2017.1. The study found that the level of student satisfaction positively and significantly affected the variable of system quality, information quality and personal service of online tutors. The most dominant variables, in descending order, were system quality, personal service of online tutors and information quality. On that basis, this study settled on a framework of tuton-student satisfaction with respect to the improvement of system quality of tuton application, information quality and personal service of online tutors
