Mobile app development is the act or method by that a mobile app is developed for mobile devices, like personal digital assistants, enterprise digital assistants or mobile phones.... As a part of the event method, mobile user interface (UI) design is additionally essential within the creation of mobile apps.
The Android software system (OS) relies on the Linux kernel. Android is open supply, that means developers will modify and customise the OS for every phone. Therefore, different Android-based phones typically have different graphical user interfaces GUIs even though they use identical OS.
iOS (formerly iPhone OS) is a mobile software created and developed by Apple Inc. solely for its hardware. it's the software that presently powers several of the company's mobile devices, together with the iPhone, iPad, and iPod Touch. it's the second popular mobile software globally after Android.