Skill upgrade applications provide skill-based courses that help learners to keep up with the skill requirements of different industries. The main purpose of these applications is to eliminate the skill gap between university education and real working world. Learners can access the platforms from anywhere around the world. They can make use of the applications to improve their skills and competency, and keep up with the latest innovations in their field. There are plenty of popular skill upgrade platforms available that makes learning new skills an accessible and flexible process for learners.