Recently, most companies have develop mobile applications since phones are the main way to use the Internet rather than computers. Based on the evidence, the year 2021 witnessed a huge increase in the number of online purchases, especially during the corona pandemic and other diseases that emerged after it. This research, therefore, aimed to develop a mobile application that can provide ease of shopping and help its users to take advantage of discount prices across their region, especially during the COVID-19 lockdown. ‘Discount Guide’ was a great solution during this time and forever. This application is designed to allow the seller and the buyer as well to sell or buy discounted items. This app was built using the Java language, Android studio, Gradle and JUI to design the app effectively and more easily. As a result, the customer gets the benefit from using the app for online shopping on their Android devices.
Keywords: Android, application, mobile, MySQL, online shopping, smartphone;