DevPrep vs CodeInterview Pro

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.

Ace your next coding interview with CodeInterview Pro – the ultimate AI-powered practice platform designed for software engineers, CS students, and job seekers. Master LeetCode-style problems across Swift, Python, and JavaScript with real-time AI hints and detailed solution explanations. Our timed mock interviews simulate real-world scenarios, while our difficulty progression system ensures you’re always challenged at the right level. Whether you're preparing for a tech giant or aiming to switch careers, CodeInterview Pro provides the tools and confidence you need to succeed. Features include: LeetCode-style problems, AI hints for guidance, step-by-step solution breakdowns, multi-language support (Swift, Python, JavaScript), timed mock interviews, and adaptive difficulty progression. Download now and transform your coding interview preparation!