Technologies are changing and ever growing.One of the newest developing technologies is augmented reality(AR),which can be applied to many different existing technologies,such as computers,tablets,and smartphones.AR technology can also be utilized through wearable components,for example,glasses.Throughout this paper review on AR,the following aspects are discussed at length:research explored,theoretical foundations,applications in education,challenges,reactions,and implications.Several different types of AR devices and applications are discussed at length,and an in-depth analysis is done on several studies that have implemented AR technology in an educational setting.