Malang, and Surabaya are two cities in East Java Province, Indonesia with day-population more than 1 million and have experienced daily traffic congestions because of the over usage of private vehicle. This study aim is to find the modal choice model for shifting the passenger from conventional-taxi to online-taxi. To develop the modal choice model, a Stated Preference (SP) questionnaire were developed to obtain a preference of respondent, as many as 400 questionnaires were collected. Binary Logit Model was used to develop a modal choice model, based on price and waiting time, the result shows the difference in trip costs is Rp. 4.348 and waiting time is 10 minutes. If the trip cost more than Rp. 4.348 and waiting time more than 10 minutes, the passenger rather using the conventional-taxi.