Comparison

Javascript Guide vs Brain

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

Head to head
About

Javascript Guide

Features
Read full description

JavaScript Guide โ€” 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 โ€” 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 โ€” 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 โ€” complete all chapters to master JavaScript Reference โ€” 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 โ€” all content unlocked from day one Works completely offline Download JavaScript Guide and start learning coding today.

About

Brain

Quickly capture and organize your project ideas with a structured approach. This app offers a clean interface for managing features, design, bugs, and notes, all stored locally for privacy and speed.

Highlights
  • Instant idea capture
  • Structured project categories (Features, Design, Bugs, Notes)
  • On-device data storage
  • Customizable themes and accent colors
  • Haptic feedback and animations
  • Multi-language support
Features
Read full description

Project Brain is the fastest way to capture and organize ideas for your projects. Whether you're building an app, designing a product, or simply collecting thoughts โ€” Project Brain keeps everything structured and beautiful. HOW IT WORKS Create a project in seconds: name, emoji icon, status. Then start dropping ideas in instantly. Each project includes four categories: โ€ข Features โ€” what you want to build โ€ข Design โ€” how it should look โ€ข Bugs โ€” what needs fixing โ€ข Notes โ€” everything else Tap an idea to add a description. Mark it as done. Swipe left to delete. BUILT FOR CREATORS โ€ข Dark and light themes โ€ข 6 accent color presets โ€ข Animated neon background โ€ข Spring animations on every button โ€ข Haptic feedback โ€ข 7 languages โ€” English, Russian, Ukrainian, Spanish, German, French, Portuguese โ€ข Onboarding tutorial for new users โ€ข Animated launch screen NO CLUTTER No accounts. No cloud. No subscriptions. No ads. Everything stays on your device โ€” private and instant. Start organizing your next big project today.

Screenshots

Javascript Guide4 screens
Brain4 screens

Verdict

The call

Javascript Guide and Brain are too close to call on the numbers: across 5 compared parameters โ€” price, ads, in-app purchases and device support among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Javascript Guide versus Brain: the parameters behind the verdict, then further details
ParameterJavascript GuideBrain
PriceFreeFree
Positive reviewsโ€”0.0% of reviews
AdsNoNo
In-app purchasesNoNo
Monetizationโ€”Free
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.115.1
Further details โ€” not scored
Size22 MB19 MB
Age rating4+4+
Developerๅฉ‰ๅชš ้‚ตYuliia Aliekseienko

In-app purchases

None

Javascript Guide

No in-app purchases

None

Brain

No in-app purchases

Questions

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

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