This research study investigated the prospective teachers' purposes of using mobile phones and laptops, as well as the significant differences across genders and grades. Furthermore, the frequency of connecting to Internet via both mobile devices was investigated comparatively. The study was designed based on cross-sectional survey and casual-comparative methodologies in order to first determine specific characteristics of the relevant population, and to determine the possible causes for differences in terms of variables investigated. A total of 650 prospective Turkish teachers participated in the study. The results point out that, compared to mobile phones, laptops were used more frequently for various purposes, particularly the educational ones. However, in-class use of both laptops and mobile phones for educational purposes was not very common. Mobile phones were used less for educational purposes, but more for communication and entertainment purposes. Though there were statistically significant differences in terms of some purposes, given the lack of practical significance, both male and female prospective teachers can be said to use mobile phones and laptops for various purposes with similar frequencies. The same was also true for the grade variable: all prospective teachers from first to fourth years used mobile phones and laptops for various purposes with similar frequencies in practice. The present study also revealed that, for prospective teachers, connecting to the Internet via mobile phones is not very common and even significantly less common than doing so via laptops.