The tight-knit nature of iOS makes it easier for developers to create high-quality apps for all iPhones, and so long as Apple continues to hold the highest U.S. market share for the mobile space, that further incentivizes developers to cater more to iOS than to Android.
Are apps better on iOS or Android?
Better app selection: The selection of apps in Apple’s App Store is also slightly better than the selection in Android’s Google Play Store, though the gap between the two is narrower than it used to be.
Why are Android and iOS Apps different?
The Android and iOS operating system are each programmed in different programming languages. This is exactly the biggest difference: iOS apps run on Objective-C / Swift, while Android apps run on Java.