Octopus vs JavaScript Champ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Octopus
Learn to code in popular languages like Python, Java, Swift, and JavaScript, plus web development with HTML and CSS. Offers detailed tutorials and interactive exercises for all skill levels. Join a community of learners to advance your programming journey.
- Learn Python, Java, Swift, JavaScript
- Web development with HTML and CSS
- Detailed tutorials
- Interactive coding exercises
- Community collaboration
- Courses for all levels
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Start Your Adventure and Learn to Code: Embark on an enriching journey in different programming languages with our platform. Master essential languages like Python, Java, Swift, and JavaScript, and dive into web development with HTML and CSS. Our courses, tailored for all levels, aim to boost your proficiency in coding and programming. Explore Coding and Programming Essentials: Delve into the world of coding and programming through Python, Java, Swift, JavaScript, HTML, and CSS. Our detailed tutorials and hands-on exercises enhance your understanding and skills in these key languages. Master Python, Java, Swift, JavaScript, HTML, and CSS: Achieve mastery in coding and programming by exploring Python, Java, Swift, and JavaScript, alongside web technologies HTML and CSS. Our interactive exercises are designed to solidify your coding and programming capabilities. Interactive Coding and Programming Exercises: Engage in interactive coding and programming exercises across Python, Java, Swift, JavaScript, HTML, and CSS. These challenges aim to refine your skills, establishing a comprehensive foundation in coding and programming. Stay Ahead in Coding and Programming: Keep up-to-date with the latest in coding and programming. Our tutorials in Python, Java, Swift, JavaScript, HTML, and CSS ensure you remain competitive, arming you with advanced knowledge and techniques. Join Our Great Community: Become an active member of our great community. Collaborate and share insights with peers passionate about Python, Java, Swift, JavaScript, HTML, and CSS, enhancing your coding and programming journey. Advance Your Skills: Embark on your coding and programming journey, excelling in Python, Java, Swift, JavaScript, HTML, and CSS. We're dedicated to your growth, offering comprehensive resources that prepare you for the challenges ahead.
JavaScript Champ
Learn JavaScript programming through interactive exercises and tutorials covering basics to advanced topics. Prepare for interviews and build practical programs. Gamified elements help you climb ranks and become a job-ready developer.
- Interactive JavaScript exercises
- Beginner to advanced tutorials
- Interview preparation questions
- Offline access
- Gamified progress tracking
- Practical programming challenges
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Learn JavaScript programming via interactive exercises and simple tutorials. The app is suitable for anyone with it's interactive JavaScript programming exercises. Main JavaScript tutorials you'll find: * JavaScript basics - if statements and loops * Advanced JavaScript topics like arrays, matrix, functions and more. * Catchy JavaScript questions to prepare you for interviews. You can make the first steps of starting your career as a JavaScript developer. The JavaScript tutorials and exercises have pretty wide range. This can prepare you for JavaScript interviews. You'll learn anything - from the basics to OOP - Object oriented programming in JavaScript. Make the first steps of becoming a JavaScript developer. All you need is basic JavaScript programming knowledge and your phone/tablet. The app also provides offline access to all of it's JavaScript tutorials. You can learn JavaScript on the go from anywhere. Boost your JavaScript learning experience by climbing ranks. This way you can climb up to the top and become ready for JavaScript programmer job. It doesn't matter if you are a beginner starting his/her JavaScript coding journey or you're advancer learning OOP - Object oriented programming in JavaScript. The app will help you learn all necessary JavaScript programming concepts. It will also let you check if you've learned well JavaScript topic through exercises with feedback. You can build JavaScript problems through challenges solving practical problems. JavaScript is widely used language which can offer you an awesome well paid career as a JavaScript developer. That's why you should add JavaScript programming to your skills. Learn JavaScript PRO to improve your learning experience. * Ad-free experience. Remove any distractions from your JavaScript learning experience. * Unlock puzzles hints * Unlock all challenges and build practical JavaScript programs step by step. * Explanations to all questions. Understand JavaScript concepts via simple and clear explanation. I believe that JavaScript programming needs to be fun. Simple JavaScript tutorials and practical exercises with Gamification UI is the best way to lead you to becoming a JavaScript programmer. Ready to become a JavaScript champ? Download it now! Your feedback and ideas are important. They make me improve the application and boost your JavaScript programming experience. You can reach me at javascript.champ.pro@gmail.com With much Love from the JavaScript Champ dev.
Screenshots
Verdict
The clearest difference is update cadence: JavaScript Champ at fortnightly against Octopus's monthly. Octopus's advantage is iOS requirement (13.6 vs 15.0). On price, rating, ratings volume and ads 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
Both are free to download. Octopus sells 4 in-app purchases, starting at $9.99 per month and JavaScript Champ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Octopus against 5.0 for JavaScript Champ. Both are backed by a comparable volume of ratings — 5 and 2 respectively.
Octopus ships an update monthly, JavaScript Champ fortnightly. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.
| Parameter | Octopus | JavaScript Champ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (2 ratings) |
| Positive reviews | 71.2% of reviews | — |
| Number of ratings | 5 — better | 2 |
| Update frequency | Monthly | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.6 — better | 15.0 |
| Further details — not scored | ||
| Size | 107 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Alaa CHERBIB | Yoan Enchev |
Customer experience
Octopus
JavaScript Champ
In-app purchases
Octopus
- Learn programming - 1 Month3 Days trial$9.991 Month
- Learn programming - 3 Months3 Days trial$24.993 Months
- Learn programming - 1 Year3 Days trial$84.991 Year
- Learn programming - No limits$44.99
JavaScript Champ
- JavaScript Champ Premium$12.99
Questions
Is Octopus free?
Is JavaScript Champ free?
Which has better reviews, Octopus or JavaScript Champ?
Do Octopus or JavaScript Champ have ads?
Which is updated more often, Octopus or JavaScript Champ?
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