Comparison

Javascript Guide vs InterviewGenie

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Javascript Guide

Features
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JavaScript Guide — Learn JavaScript from Scratch JavaScript Guide is your complete companion for mastering JavaScript. Designed for beginners and anyone wanting to build strong JavaScript skills, this app breaks down complex concepts into bite-sized, practical lessons you can complete at your own pace. Learn the essential JavaScript skills that power modern web development. Build a rock-solid foundation that will serve you throughout your entire coding journey, whether you're building websites, web apps, or exploring frameworks like React, Vue, and Node.js. What You'll Master Variables and data types (let, const, strings, numbers, booleans) Type conversion and comparisons (=== vs ==, truthy/falsy) Control flow (if/else, switch, loops) Functions (regular functions, arrow functions, parameters, scope) Arrays and powerful array methods (map, filter, forEach, find) Objects, methods, and working with this Destructuring for cleaner code JSON parsing and stringifying Error handling (try/catch, common JavaScript errors) Debugging strategies and best practices Three Learning Modes Guide — Step-by-Step Curriculum Follow 30 carefully structured chapters that build from absolute basics to confident JavaScript fundamentals. Each chapter includes: Clear explanations with real-world context Live code examples you can learn from Practical notes highlighting common pitfalls Progressive difficulty that respects your learning curve Quiz — Interactive Practice Reinforce what you've learned with hands-on quizzes: Diverse question formats to test your understanding Instant feedback with detailed explanations XP rewards and achievement badges to track your progress Practice makes perfect — complete all chapters to master JavaScript Reference — Quick Lookup A curated, searchable reference covering: Data types and operators String and number methods Array methods with examples Object manipulation techniques Common error types and solutions JSON APIs Perfect for quick refreshers while coding or studying. Learn JavaScript the Right Way JavaScript Guide teaches modern JavaScript (ES6+) best practices from day one: Use let and const (not var) Prefer === over == Master arrow functions Understand scope properly Write clean, readable code Build skills with clean, modern JavaScript that follows current industry standards. Who This Is For Complete beginners starting their coding journey Developers transitioning from other languages Anyone preparing for JavaScript interviews Students building essential programming skills Self-learners wanting structured, clear JavaScript education Track Your Progress Complete 30 guided chapters Earn XP for every quiz question answered Unlock achievement badges for milestones Bookmark important topics for quick review See exactly where you are in your learning journey Privacy First No account required No login or sign-in needed No tracking or analytics 100% free — all content unlocked from day one Works completely offline Download JavaScript Guide and start learning coding today.

About

InterviewGenie

Features
Read full description

Interview Genie: Your AI-Powered React Interview Coach Interview Genie is the all-in-one training ground built by developers, for developers. Stop passively reading and start actively preparing with a suite of powerful tools tailored to sharpen your React, JavaScript, TypeScript, and front-end architecture skills—so you can build confidence and land your next React role. Whether you’re a junior developer preparing for your first React interview or a senior engineer aiming for a lead position, Interview Genie adapts your learning path to focus on what really matters—React fundamentals, hooks, state management, performance optimization, component design, testing, and real-world coding challenges. AI-Powered Mock Interviews • Engage with an AI Coach in realistic interview sessions via text or voice • Receive instant, detailed feedback across Clarity, Correctness, and Depth • Use consumable AI credits to analyze your answers and improve faster On-Device AI Processing • AI inference is performed directly on your device for faster, low-latency feedback • Reduces round-trip delays while keeping sensitive input processing local • Designed for efficient, native performance Intelligent Spaced Repetition (SRS) • Daily Review: Smart scheduling resurfaces questions at the right time for long-term retention • Buggy Code Review: Daily sessions focused on identifying and fixing common React and JavaScript issues Customizable Drills & Practice • Simulate real interview pressure with timed Performance Drills • Practice freely in the Practice Arena (untimed) • Customize sessions by question type (MCQ or open-ended), difficulty, and React-specific topics Comprehensive Study Guide • Deep dives into React fundamentals, hooks, lifecycle patterns, state management, performance, testing, and system design • Each topic includes explanations, best practices, examples, and common interview mistakes Widgets for Daily Tracking • Daily review and progress widgets to track your preparation at a glance • Monitor streaks, completed drills, and performance without opening the app Detailed Analytics & History • Review performance across all sessions in one place • Track accuracy, speed, and consistency with clear insights • Filter by topic or session type to identify gaps and blind spots Competitive Progress Tracking • Compare progress across drills and mock interviews • Track improvement over time and stay motivated Unlock Everything with a Subscription • Full access to the React Study Guide • Unlimited drills and topic-based practice • Daily SRS and Buggy Code sessions • AI credits for coaching and feedback • Option to purchase additional AI credits Stop memorizing. Start understanding. Download Interview Genie and take control of your interview preparation today.

Screenshots

Javascript Guide4 screens
InterviewGenie4 screens

Verdict

The call

The clearest difference is in-app purchases: Javascript Guide at none against InterviewGenie's 10. Javascript Guide also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. InterviewGenie sells 10 one-off in-app purchases. Javascript Guide asks for nothing beyond the download.

Scorecard2 real differences · 4 level
Javascript Guide versus InterviewGenie: the parameters behind the verdict, then further details
ParameterJavascript GuideInterviewGenie
PriceFreeFree
Update frequency—Every 5 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size22 MB14 MB
Age rating4+4+
Developer婉媚 邵Abhinav Jha

In-app purchases

None

Javascript Guide

No in-app purchases

10 purchases

InterviewGenie

One-time10
  • Coach Top-Up$1.99
  • Drill Top-Up$1.99
  • Lite Pack$3.99
Show 7 more
  • Unlock All Access$5.99
  • On-Device AI Pack$7.99
  • Unlock + AI Lite$8.99
  • Plus Pack$8.99
  • Unlock + On-Device AI$12.99
  • AI Max + Free Unlock$14.99
  • Max Pack$14.99

Questions

Is Javascript Guide free?
Javascript Guide is free to download, with no in-app purchases.
Is InterviewGenie free?
InterviewGenie is free to download, with in-app purchases available.
Do Javascript Guide or InterviewGenie have ads?
Neither Javascript Guide nor InterviewGenie shows ads.

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