It is essential to stay updated with the latest app design trends at all times. These trends tend to change within weeks and months, and catching up with them constantly can be challenging. However, if we break them down to yearly reviews, some of the best app design trends prevail longer than weeks or months. They maintain their popularity for a long time, as they bring a sense of freshness and relevance to mobile UI/UX design. At the same time, some app design inspirations are entirely new and come to live after constant research and development. The same is true for app design trends 2021. This year we will see some of the most popular app design trends make a comeback whereas some brand new design trends would unlock new possibilities for developers, designers and users.