Augmented reality combines real and computer-based environments with images to provide an enriched experience. Nowadays, marketers benefit greatly from using it in advertising. These advertisements help to establish a certain emotional connection with customers. Virtual try-on technology is a possibility and only then can customers try different items such as glasses, shoes, clothes and watches without leaving their homes. A variety of games can be played using smartphones. It is commonly used in medical and healthcare applications such as keyhole surgery, AccuVein and SimX. It can be added as part of training programs because it makes things fun and eye-catching. Testing critical situations to confirm success without actually implementing them in real time can save money. It can also lead to mental health problems. Physicians in the medical industry are able to detect illness at an early stage due to the implementation of AR.