The word “Hybrid†reminds us that it can be a part of two different worlds, doing better of both worlds in most cases. It’s the same with the mobile app development.
A hybrid app is nothing but a mobile app which could be installed on different platforms, it does not belong to a single platform but performs in both.
There are many mobile apps, which are hybrid, and built for the purpose of working on both the platforms, why do they have to do this?