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Learn Ruby programming offline. 45 lessons, quizzes & dark mode
Master Ruby from scratch with a beautifully designed offline handbook. No internet required. No subscriptions. Just pure, focused learning — whenever and wherever you want. ---------------------------------------- 📚 45 STRUCTURED LESSONS ---------------------------------------- From Ruby basics to advanced object-oriented programming. Every lesson includes a clear explanation, syntax-highlighted code examples, a mock code sandbox, and an interactive quiz to test your understanding. ---------------------------------------- ⚡ WORKS 100% OFFLINE ---------------------------------------- All 45 lessons, quizzes, and code examples are bundled directly in the app. Open RubySpark on a plane, in a café, or anywhere with zero signal — it all works perfectly. ---------------------------------------- 🎨 FULLY CUSTOMISABLE ---------------------------------------- • Choose your accent color: Ruby Red, Emerald, Indigo, or Amber • Adjust theory font size: Small, Medium, or Large • Switch between Dark and Light themes at any time ---------------------------------------- 🔍 SMART SEARCH & FILTER ---------------------------------------- Instantly search all 45 lessons by title, topic, or module. Filter by difficulty — Beginner, Intermediate, Advanced, or Expert — to jump straight to what you need. ---------------------------------------- 💡 INTERACTIVE CODE SANDBOX ---------------------------------------- Every lesson has a syntax-highlighted Ruby example. Tap Run to see the expected output directly inside the app, making it easy to follow along and understand each concept in practice. ---------------------------------------- 🧠 QUIZ AFTER EVERY LESSON ---------------------------------------- Reinforce what you have learned with a focused quiz at the end of each lesson. Get instant feedback with clear explanations for every answer. ---------------------------------------- 🌙 BEAUTIFUL DARK & LIGHT THEMES ---------------------------------------- Designed for long reading sessions. The deep dark theme reduces eye strain, while the clean light theme is perfect for daytime use. Switch any time in Settings.