Android was founded in 2003 and was acquired by Google in 2005. It is an open-source, Linux-based operating system designed for smartphones and tablets. Over 1,300 brands have launched Android devices, with top brands being Samsung, OnePlus, Oppo, Vivo, HTC, Sony, Xiaomi, and Huawei. Android has various version codenames like Cupcake, Donut, Eclair, etc. It provides features like widgets, notifications, and access to the Google Play Store with over 1 million apps. IOS was developed by Apple for the original iPhone in 2007. It is a proprietary, closed-source operating system used exclusively on Apple's iPhone, iPad, iPod Touch, and