This study investigated the impact of using smartphones on the academic performance of undergraduate students at the North-West University, South Africa. To determine the impact, this study deployed the quantitative research approach to collect data from 375 undergraduate students using questionnaires. It was found that most undergraduate students are using their smartphones to engage with fellow students and lecturers. It was also found that using smartphones distracts students from their studies in certain aspects. The results also showed the impact of using smartphones on students' academic capabilities and progression.