ReactNative Mastery By SubraAI vs Globus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReactNative Mastery By SubraAI
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RN Mastery is a React Native learning app built for developers who want more than basic tutorials. Learn React Native from beginner level to advanced architecture through practical courses, structured learning paths, and real app thinking. RN Mastery focuses on the parts that matter in production: offline-first design, native integrations, debugging, scalability, performance, and shipping real apps. What you can do in RN Mastery: • Explore React Native courses designed for different experience levels • Learn through structured lessons instead of random scattered content • Track lecture progress and continue your learning journey across sessions • Build stronger fundamentals in React Native, JavaScript, TypeScript, and mobile engineering • Move beyond UI tutorials into architecture, production trade-offs, and real-world implementation • Access profile-based learning paths tailored to your current stage • Use offline-friendly course and progress features for smoother learning • Access mobile-first experiences built specifically for developers learning on the go RN Mastery is designed for: • Beginners starting their React Native journey • Developers with 0–2 years of experience who want stronger practical skills • Mid-level engineers who want to improve architecture and performance knowledge • Senior developers aiming to think more clearly about scalable mobile systems Why RN Mastery is different: Most learning resources stop at small demos. RN Mastery is built around real engineering challenges, clear learning paths, and practical production thinking. The goal is not just to teach syntax, but to help you become a stronger React Native developer. Download RN Mastery and start learning React Native with a practical, production-focused approach.
Globus
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Learn geography on a globe that moves with you. Globus turns countries, capitals, flags, borders, and outlines into hands-on challenges on an interactive 3D world. Choose a region or take on the whole planet, set your difficulty, and build lasting mastery one answer at a time. SIX WAYS TO PLAY • Countries — identify highlighted places directly on the globe. • Hardcore — name every country you can before time runs out, with an optional blind map. • Capital Cities — match countries with their capitals. • Neighboring Countries — name every country that shares a border. • Flags — identify flags, then see each answer placed on the map. • Country Outlines — recognize countries from their shapes. MAKE THE WORLD YOURS • Play Africa, Asia, Europe, North America, South America, Oceania, islands, territories, or any combination. • Adjust difficulty and round length for a quick challenge or a deeper study session. • Explore country profiles, capitals, regions, and land neighbors. • Follow clear, source-led treatment of political geography and disputed areas. TRACK REAL PROGRESS Scores from completed rounds add to your total and regional scores. Mastery is tracked separately for each place and game mode, while your Player Atlas records accuracy, confidence, response time, trends, and recent rounds. Globus is designed for iPhone and iPad and supports English, Spanish, Simplified Chinese, Japanese, Brazilian Portuguese, Russian, German, French, Vietnamese, and Arabic. No account is required. Your progress stays on your device.
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Verdict
ReactNative Mastery By SubraAI and Globus are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ReactNative Mastery By SubraAI | Globus |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 120 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Subrata Kumar Das | KRISTIAN SVERRE ARNTSEN |
In-app purchases
ReactNative Mastery By SubraAI
No in-app purchases
Globus
No in-app purchases






