Limited opportunities for language practice, especially productive skills, have constantly been a concern voiced by language learners. Recent technological advancements have addressed this need through mobile applications. One such application is <i>Tandem: Language Exchange</i>, bringing together language learners with similar goals worldwide to practice their language of interest. To this end, this review evaluated the app in focus: An introduction, utilizing the technology for language teaching and challenges in using the technology for language teaching, and a conclusion. Following this framework, the evaluation revealed that the app provided customized learning preferences and fostered productive skills practice, multimodal feedback, and intercultural awareness. However, the misuse of the app, the participants’ linguistic expertise, the potential emergence of cultural issues, and data security raised concerns over its use. Ultimately, the review recommended the app as an educational opportunity and an entertaining digital learning environment.