Android
ELI5 - The Vibe Check
Android is Google's mobile operating system, the open, sprawling alternative to Apple's tightly controlled iOS, where basically anyone can make a phone that runs it. It powers everything from an eighty dollar budget phone to a fifteen hundred dollar flagship, which is exactly why Android developers spend so much time testing across a dozen screen sizes and OS versions that most iOS developers never have to think about.
Real Talk
Android is Google's open-source mobile operating system, built on the Linux kernel and running across a wide range of manufacturers and hardware tiers, unlike iOS's single-vendor model. Native development uses Kotlin or Java with Jetpack Compose or the older View system in Android Studio, apps are typically distributed through Google Play, and fragmentation across device manufacturers, screen sizes, and OS versions is a defining characteristic of the platform.
When You'll Hear This
"Test it on a real Android device, the emulator doesn't catch the fragmentation issues." / "Android Studio's build times are why I take so many coffee breaks."
Related Terms
Android Studio
Android Studio is to Android what Xcode is to iOS — the official, unavoidable IDE. It's built on IntelliJ so it's actually quite good.
Google Play
Android's app store — like Apple's App Store but with fewer rejections and more malware.
iOS
iOS is the operating system running on every iPhone and iPad, the walled garden where Apple controls the hardware, the software, and the app store all at o...
Kotlin
Kotlin is like Java's cooler younger sibling who went to art school and came back with null safety and coroutines.
Kotlin Multiplatform
Kotlin Multiplatform (KMP) lets you write your data models, API calls, and business logic once in Kotlin, then use them in your Android app and your iOS ap...