iTer - IT learning

iTer is your offline interview question library for developers. For ten years, iTer has helped programmers study smarter for job interviews. Version 10 is a full SwiftUI rebuild that brings 10,000+ curated questions, company exams, and practical study tools into one clean, fast, always-ready app. Whether you are preparing for campus recruiting, switching jobs, or refreshing fundamentals, iTer turns spare minutes into real progress. 1. Massive offline question bank - 10,000+ interview questions, fully offline - 16 language tracks: Objective-C, Swift, Java, C/C++, PHP, JavaScript, Python, SQL, C#, HTML5, Ruby, R, Linux, Big Data, Algorithms, Network Security - 12 career paths: iOS, Java, Web, PHP, Python, Game, Database, Big Data, Linux, Algorithm, and Network Engineering - 12 company exam collections from Google, Microsoft, Baidu, Tencent, Alibaba, JD, 360, NetEase, and more - Multiple-choice and Q&A formats covering language basics, frameworks, algorithms, and common interview topics 2. Smart learning management - Star important questions for quick review before interviews - Recent history picks up where you left off - Mastery labels: unlearned, learned, mastered - Wrong-answer notebook collects mistakes from daily quizzes - Learning stats summarize favorites, wrong answers, and mastery rate 3. Daily quiz habit builder - Five multiple-choice questions every day, seeded by date - Streak counter keeps you motivated - Instant scoring with encouraging feedback - Wrong-answer review shows your answer vs the correct one - Retry today or reshuffle for extra practice 4. Powerful global search - Search questions, answers, and knowledge keywords - Filter by language or company exams - Jump straight to question details from results -【iPad + keyboard】⌘F to search, ⌘1–⌘4 for tabs. In question detail (from a multi-question list): ← Previous, R Random, Space Show answer, → Next — faster review on iPad. 5. Categories and advanced learning - Browse by career path or company exam papers - Advanced learning links to LeetCode, Objc.io, NSHipster, Awesome lists, Gitbook tutorials, and practice projects - External links open inside the app with in-app Safari 6. Home screen widgets - Daily Question: one interview question on your home screen - Quiz Glance: today score and streak - Favorites Glance: track saved questions - Wrong Book Glance: reminders for mistakes to review - Widget background can follow your app theme 7. Home screen quick actions - Long-press the app icon to pin up to 4 shortcuts - Jump to search, daily quiz, favorites, wrong book, categories, feedback, or App Store review - Deep links open the right screen instantly 8. Rich question detail experience - Tap to reveal or hide answers for Q&A items - Interactive multiple-choice practice before seeing explanations - Toolbar actions for favorite, mastery, and share - Copy question and answer text for notes - Shuffle question order in lists - Share cards render a long image with QR code for friends and teammates 9. 15 beautiful themes - Presets including Gold, Ocean Blue, Forest Green, Rose Pink, and more - Custom accent color support - Light, dark, and system appearance - List and grid layouts across language, category, and question screens 10. Native multi-platform experience - iOS and iPadOS 16: full features including widgets and quick actions - macOS 13: native Mac app with tabs, keyboard shortcuts, share cards, and tips 11. Settings and support - Toggle favorites and recent sections on the Languages tab - In-app feedback email to the developer - Tip the developer to support ongoing updates - About page with version info and open-source credits Why iTer - Ten years focused on developer interviews - Offline-first study, anywhere anytime - Questions, quizzes, wrong book, and widgets in one learning loop - One purchase, works on iPhone, iPad, and Mac Add iTer to your home screen or Dock. Five questions a day adds up to interview confidence.