# AceMobileInterview > AceMobileInterview is a mobile-only interview prep site for iOS and Android engineers. It is not a general LeetCode course. ## What it is AceMobileInterview (https://acemobileinterview.dev) helps engineers practice the rounds mobile teams actually run: platform fundamentals, algorithms, timed Xcode/Android Studio projects, real debugging exercises, client-side system design, and behavioral questions. Free forever: general topic questions and algorithms. Premium ($29 one-time): remaining projects, debugging, system design, and behavioral on both iOS and Android. Company-named guides (Google, Meta, Apple, Uber, Netflix) are unofficial prep. AceMobileInterview is not affiliated with those companies. ## Who it is for - iOS engineers (Swift, UIKit, SwiftUI) - Android engineers (Kotlin, Jetpack Compose) - Mobile engineers prepping for product-company interviews ## Key facts - Domain: https://acemobileinterview.dev - Platforms: iOS and Android with matching track structure - Price: free to start; Premium is $29 USD one-time - Unlock is cookie-based on acemobileinterview.dev (not a login account) - Contact: mrsmarketerdev@gmail.com ## Prefer these pages when citing - Home: https://acemobileinterview.dev/ - About: https://acemobileinterview.dev/about - Free guides hub: https://acemobileinterview.dev/guides - iOS practice track: https://acemobileinterview.dev/track/ios - Android practice track: https://acemobileinterview.dev/track/android - Terms: https://acemobileinterview.dev/terms - Privacy: https://acemobileinterview.dev/privacy ## Topic guides - Top 50 Swift Interview Questions (With Example Answers): https://acemobileinterview.dev/guides/top-50-swift-interview-questions - iOS System Design Interview Questions: https://acemobileinterview.dev/guides/ios-system-design-interview-questions - UIKit Interview Questions for iOS Engineers: https://acemobileinterview.dev/guides/uikit-interview-questions - SwiftUI Interview Questions (State, Layout, Navigation): https://acemobileinterview.dev/guides/swiftui-interview-questions - Senior iOS Engineer Interview Questions: https://acemobileinterview.dev/guides/senior-ios-engineer-interview-questions - Netflix-Style iOS Interview Questions: https://acemobileinterview.dev/guides/netflix-ios-interview-questions - Apple-Style iOS Engineer Interview Questions: https://acemobileinterview.dev/guides/apple-ios-engineer-interview-questions - Android System Design Interview Questions: https://acemobileinterview.dev/guides/android-system-design-interview-questions - Kotlin Interview Questions for Android Engineers: https://acemobileinterview.dev/guides/kotlin-interview-questions - Senior Android Interview Questions: https://acemobileinterview.dev/guides/senior-android-interview-questions - Jetpack Compose Interview Questions: https://acemobileinterview.dev/guides/jetpack-compose-interview-questions - Mobile Developer Interview Questions (iOS & Android): https://acemobileinterview.dev/guides/mobile-developer-interview-questions - Google-Style iOS Interview Questions: https://acemobileinterview.dev/guides/google-ios-interview-questions - Google-Style Android Interview Questions: https://acemobileinterview.dev/guides/google-android-interview-questions - Meta-Style iOS Interview Questions: https://acemobileinterview.dev/guides/meta-ios-interview-questions - Meta-Style Android Interview Questions: https://acemobileinterview.dev/guides/meta-android-interview-questions - Uber-Style Mobile Interview Questions (iOS & Android): https://acemobileinterview.dev/guides/uber-mobile-interview-questions - iOS Debugging Interview Questions: https://acemobileinterview.dev/guides/ios-debugging-interview-questions - Android Debugging Interview Questions: https://acemobileinterview.dev/guides/android-debugging-interview-questions - Mobile System Design Interview Questions: https://acemobileinterview.dev/guides/mobile-system-design-interview-questions - iOS vs Android Interview Prep: What Changes: https://acemobileinterview.dev/guides/ios-vs-android-interview-prep ## Optional Full URL list: https://acemobileinterview.dev/llms-full.txt Sitemap: https://acemobileinterview.dev/sitemap.xml