Android Developer vs iOS Developer: What's the difference?
An Android Developer and an iOS Developer are often confused but differ in focus. An Android developer builds applications for Android phones and tablets using Kotlin or Java and the Android SDK. An iOS developer builds applications for iPhone and iPad using Swift and Apple's frameworks. Below we compare what each does, the skills they share, typical experience, and which path to choose.
Key takeaways
- Android Developer vs iOS Developer: An Android developer builds applications for Android phones and tablets using Kotlin or Java and the Android SDK.
- iOS Developer: An iOS developer builds applications for iPhone and iPad using Swift and Apple's frameworks.
- Typical experience — Android Developer: 0–7 yrs; iOS Developer: 0–7 yrs.
What does an Android Developer do vs an iOS Developer?
Android Developer
An Android developer builds applications for Android phones and tablets using Kotlin or Java and the Android SDK.
Core responsibilities
- Build and maintain Android apps in Kotlin (or Java) with the Android SDK
- Implement responsive UIs using Jetpack Compose or XML and Material Design
- Integrate REST APIs, local databases (Room) and offline caching
- Optimise app performance, memory, battery and start-up time
- Handle Android lifecycle, permissions and background work correctly
iOS Developer
An iOS developer builds applications for iPhone and iPad using Swift and Apple's frameworks.
Core responsibilities
- Build and maintain iOS apps in Swift using SwiftUI or UIKit
- Implement interfaces that follow Apple's Human Interface Guidelines
- Integrate REST APIs, networking and local persistence (Core Data/SwiftData)
- Manage app lifecycle, memory and performance on iPhone and iPad
- Handle permissions, push notifications and background tasks
Shared vs unique skills
An Android Developer and an iOS Developer share 1 core skill, then specialise. The shared base makes switching between them realistic.
Shared by both
- REST APIs
Unique to Android Developer
- Kotlin
- Java
- Android SDK
- Jetpack Compose
- Room / SQLite
- Material Design
- Coroutines
- Play Store deployment
Unique to iOS Developer
- Swift
- SwiftUI
- UIKit
- Xcode
- Core Data
- App Store Connect
- Combine
- Auto Layout
Experience compared
| Role | Typical experience |
|---|---|
| Android Developer | 0–7 yrs |
| iOS Developer | 0–7 yrs |
Actual pay varies by city, company and experience, and the two roles often overlap. See current ranges computed from live listings on the OnJob salary pages.
Should I become an Android Developer or an iOS Developer?
Choose Android Developer if you're drawn to Kotlin, Java, Android SDK and work like "build and maintain android apps in kotlin (or java) with the android sdk". Choose iOS Developer if you prefer Swift, SwiftUI, UIKit and work like "build and maintain ios apps in swift using swiftui or uikit". They share 1 core skill (REST APIs), so switching later is realistic.
Android Developer vs iOS Developer — FAQs
What is the difference between an Android Developer and an iOS Developer?
An Android developer builds applications for Android phones and tablets using Kotlin or Java and the Android SDK. By contrast, an iOS developer builds applications for iPhone and iPad using Swift and Apple's frameworks. In short, an Android Developer focuses on build and maintain android apps in kotlin (or java) with the android sdk, while an iOS Developer focuses on build and maintain ios apps in swift using swiftui or uikit.
Which pays more, an Android Developer or an iOS Developer?
Pay for both roles depends on city, company and experience, and it overlaps heavily at the same experience level. OnJob does not publish a fixed figure here. Check the current ranges computed from live listings on the OnJob salary pages before you decide.
Should I become an Android Developer or an iOS Developer?
Choose Android Developer if you're drawn to Kotlin, Java, Android SDK and work like "build and maintain android apps in kotlin (or java) with the android sdk". Choose iOS Developer if you prefer Swift, SwiftUI, UIKit and work like "build and maintain ios apps in swift using swiftui or uikit". They share 1 core skill (REST APIs), so switching later is realistic.
Do an Android Developer and an iOS Developer need the same skills?
They overlap on 1 core skill (REST APIs). An Android Developer also needs Kotlin, Java, Android SDK, Jetpack Compose, while an iOS Developer additionally needs Swift, SwiftUI, UIKit, Xcode.
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