Enki vs DevPrep

Learn coding, AI, Python and data skills in just minutes a day with Enki — your personal AI-powered learning coach. Whether you’re learning to code for the first time, developing practical AI skills, or leveling up as a software developer, Enki helps you make progress with bite-sized lessons, interactive challenges, and personalized guidance. LEARN SKILLS THAT MATTER Explore and practice with a growing curriculum of practical technology skills: * AI for professionals, AI for students, AI for developers, and AI engineering * Coding: Python, JavaScript, TypeScript, Java, Go, Swift, C++, and more * Web development: React, HTML, CSS, and related technologies * Data: SQL, data analysis, spreadsheets, and R * No-code and productivity: Zapier, Airtable, Webflow, and more YOUR PERSONAL AI COACH Get help at any time as you go through our personalized courses. Enki’s AI coach can: * Explain complex concepts in simple terms * Give you hints when you’re stuck * Review your answers and provide feedback * Help you understand mistakes and learn from them * Offer practical examples to reinforce what you’ve learned A LEARNING EXPERIENCE BUILT AROUND YOU * Discover skills relevant to your goals * Start from the basics or build on what you already know * Learn through short, manageable lessons * Challenge yourself with interactive questions * Strengthen your knowledge with spaced repetition * Track your progress and build a daily learning habit MAKE PROGRESS EVERY DAY You don’t need hours of free time to develop valuable skills. Just a few minutes of focused learning each day can help you build knowledge, confidence, and momentum. Whether you’re preparing for a career in tech, improving at your current job, or staying ahead of AI, Enki is designed to help you keep growing. Start building your skills today. JOIN 3 MILLION LEARNERS Over 3 million people have used Enki to build and improve their coding, AI, data and other critical skills. What the media say about us: “The exercises on Enki are focused on making professionals more productive.” - Forbes “Ever imagined yourself as a JavaScript whizz, or pulling no punches with Python? Want to get a handle on SQL, or let yourself loose with Linux? Then let Enki be your coding coach, setting you daily workouts that tackle the intricacies of coding languages in bite-sized steps.” - Apple’s App Store; featured as app of the day in 100+ countries “Compared to free reading options this is structured, personalized content. Enki creates a 5-minute “workout” for you to learn important concepts in your spare time.” - TechCrunch “The app supports everyone from beginners to more experienced coders. You can almost think of Enki the same way you would an exercise app. It provides you with daily workouts, but here you’re leveling up your coding skills instead of burning fat and building muscle.” - MakeUseOf “Enki adopts a different approach to the apps we’ve seen so far. It makes use of spaced repetition to help you learn specific concepts regarding coding.” - iGeeksBlog Subscription pricing and terms: Enki offers an auto-renewing yearly and monthly subscription to provide you with unlimited access to our AI coaching and other premium features while you maintain an active subscription. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Read more about our terms and conditions here: Terms of service: https://enki.com/terms Privacy policy: https://enki.com/privacy

Prepare for your iOS developer interview with a plan — 5–10 minutes a day. Hundreds of questions across 20+ topics and 1,000+ interactive challenges — the library grows 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 • Practice: 1,000+ challenges in 9 formats — what does it print, find the bug, assemble the code, pick the fix, fill in the blank, will it crash?, estimate the complexity, select all that apply, is this API real? — with hints, explanations, Easy / Medium / Hard difficulty and a personal feed that targets your weakest topics • AI-assisted development: review AI-generated code, spot made-up and deprecated APIs, prompts and context, theory and ready-made project rule templates — ship code with AI faster and with confidence • iOS and AI dev news: today's highlights in short, full articles right in the app and one-tap translation • Daily challenge and Streak widgets, Siri and Shortcuts, find articles right from iPhone search • On-device AI on iPhones with Apple Intelligence: explain answers in your own words and get hints • Company prep: interview stages at 24 tech companies based on public candidate reports, what candidates were asked, a day-by-day plan up to your interview date — and you can share your own questions • Timed mock interviews, a weekly challenge, tracks and an activity calendar • Mobile system design: 20 cases with step-by-step walkthroughs and self-checks • Behavioral interviews: 46 questions, your own STAR stories and timed drills • Today: what to review, what to learn next, a daily puzzle and your weak spots • A prep roadmap for Junior, Middle and Senior — stages with must-know checklists • Tasks from real interviews and “what does this code print” puzzles with full solutions • Spaced-repetition trainer: missed cards come back in the same session • Apple-docs-style answers with Swift 6 code and syntax highlighting • A level filter across the whole library — study exactly what you need • Progress by topic, a daily streak and goal • Daily reminders and progress sync via iCloud • Light and dark themes, Russian and English — switch on the fly • Works fully offline — all content is saved on your device • Optimized for iPhone Duo and iPad We continuously update and expand the library of questions and tasks — new content arrives without an app update. Basic topics and the daily challenge 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.