DevPrep: Coding Interview
Swift & Obj-C interview Q&A
Free · In‑App Purchases
Prep for your iOS interview: 290+ questions & coding tasks, Apple-docs-style answers, level tags, a trainer. Russian & English, works offline.
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.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
A major update! A brand-new Apple-docs-style design with light & dark themes. 290+ questions and coding tasks, Junior/Middle/Senior & Legacy/Modern tags, a spaced-repetition trainer, an in-app reader. Russian & English on the fly.
The developer, Aliaksei Yelin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- User Content
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Aliaksei Yelin
- Size
- 29.8 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 10.15 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Russian
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Get full access $2.99
- Copyright
- © Aleksei Elin Dev.