DevPrep vs Prepare for mobile Interview

Ace your iOS developer interview and keep your skills sharp. Hundreds of questions and hands-on coding tasks across 21 topics — the base is updated regularly: Swift, SwiftUI, Swift Concurrency (async/await, actors), Combine, memory & ARC, multithreading & GCD, UIKit, Auto Layout, architecture (MVVM, VIPER, Clean), Objective-C, algorithms & data structures, networking, testing and soft skills. WHAT'S INSIDE • Apple-docs-style answers with syntax-highlighted code • Hands-on coding tasks with full solutions: “predict the output”, “find the bug”, “implement it” • Junior / Middle / Senior and Legacy / Modern level tags — study exactly what you need • Progress tracking, a “learned” marker, a daily streak and goal • A spaced-repetition flashcard trainer and a “Hard” deck • Built-in search and an in-app reader for external materials • Light and dark themes • Full Russian & English — switch on the fly • Works offline We continuously update and expand the library of questions and tasks — new content arrives without an app update. Basic topics are free. Full access to all questions, tasks and materials unlocks with a subscription. SUBSCRIPTION Payment is charged to your Apple ID at confirmation of purchase. It auto-renews unless auto-renew is turned off at least 24 hours before the end of the current period. Manage your subscription in your Apple ID settings. Terms of use and the privacy policy are available in the app.

Prepare for your next iOS interview with a focused question bank covering Swift, UIKit, SwiftUI, concurrency, architecture, and system design. Practice in short sessions, track progress, and keep core concepts fresh before your next onsite or screening.​ What you will learn Core Swift: value/reference types, ARC, generics, protocols, error handling and more.​ iOS frameworks: UIKit, SwiftUI, Auto Layout, navigation, data persistence and networking.​ Concurrency: GCD, OperationQueue, async/await patterns and common pitfalls.​ Architecture: MVC, MVVM, Clean Architecture, dependency injection and testability.​ Key features Structured question sets​ Topic‑based practice to focus on your weak areas before interviews.​ Quick review mode for last‑minute prep before a call or onsite.​ Offline access so you can study anywhere, anytime.​ Whether you are preparing for your first iOS role or refreshing your knowledge before a senior position interview, this app helps you practice consistently and walk into interviews with confidence