I have used Android for over 5 years and iOS for around 3-4 years. I have even used Symbian before Android which was very famous with Sony P series and Nokia Communicator which was also touchscreen.
Both, Android and iOS can do almost everything. Their similarities match around 80-90% but their biggest difference is the Security.
The list of vulnerabilities, exploits and other security flaws that have been discovered in the Android OS is long and extensive, as is the list of malware riddled apps found on the Google Play Store.
Instances of major exploits in Apple's devices are much much fewer than on Android and it benefits from faster software rollouts too. Apple can push updates to all of its handsets directly, whereas Android users must wait until their phone maker has implemented a version of Google's update that works with its own Android skin.
Apple's iOS is easily the best looking operating system around and it allows the majority of its users to do everything they would need to do on a daily basis quickly and easily.
Although the latest version of Google's OS is a far cry from the days of clunky Android KitKat, Oreo simply can't match the slick and gorgeous experience offered by iOS. Apple's OS is simply better looking and more intuitive than anything Google can offer.
iOS is slick, easy to use, good looking and with absolutely stellar security. While it's not without its flaws, the benefits far outweigh the disadvantages.
