React Native Mastery vs EGK OrganLens AR
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
React Native Mastery
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Learn React Native efficiently with React Native Mastery! Our app covers everything from React Native basics, components, props, object types, APIs, storage, performance optimization, and animations to testing, native modules, state management, and more. With our extensive tutorials, courses, and examples, you'll quickly master React Native development. Dive into advanced topics, expert techniques, and best practices. Understand React Native navigation, networking, security, internationalization, and accessibility. Join our community, access valuable resources, and enhance your skills. Perfect for beginners and experts, developers, and programmers alike. Start your journey to React Native proficiency today!
EGK OrganLens AR
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EGK OrganLens AR is an innovative augmented reality (AR) app that transforms how users explore human anatomy. Designed for students, educators, medical professionals, and curious minds, it brings organs like the heart, lungs, liver, stomach, and kidneys to life in 3D. Using your iPhone or iPadβs camera, align detailed organ models to your body for an immersive experience, or place them on a surface if body tracking is unavailable, complete with labels and facts about their functions and locations. The app features a guided tour mode, taking users through each organ with detailed text explanations of their roles and interactions. A quiz mode with multiple-choice questions tests knowledge, offering instant feedback and a scoring system. The calibration tool adjusts organ positions to align with the userβs body, ensuring accuracy for medical training or personal exploration. Gesture controls like pinch-to-zoom and two-finger rotation make navigation intuitive. Available for free on iOS devices with ARKit support, EGK OrganLens AR works offline after initial setup, requiring only a compatible device with a camera. The user-friendly interface supports a clear layout, with plans to add adjustable text sizes and color options for enhanced accessibility in future updates. Future updates will also include optional in-app purchases for advanced features like extra models and case studies. Ideal for biology students, teachers for interactive lessons, or professionals for patient education, the app enhances learning with its engaging AR experience. Regular updates will add new features based on user feedback. Download EGK OrganLens AR from the App Store today to dive into an immersive anatomy journey. Perfect for exam prep, teaching, or curiosity, itβs a leading educational tool. Vision Pro support is planned for future updates.
Screenshots
Verdict
The clearest difference is price: React Native Mastery at Free against EGK OrganLens AR's $19.99. React Native Mastery also leads on update cadence (weekly vs every 6 months) and iOS requirement (13.0 vs 18.4). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
React Native Mastery is free to download; EGK OrganLens AR costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
React Native Mastery ships an update weekly, EGK OrganLens AR every 6 months. Both last shipped on September 12, 2026.
| Parameter | React Native Mastery | EGK OrganLens AR |
|---|---|---|
| Price | Free β better | $19.99 |
| Update frequency | Weekly β better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 β better | 18.4 |
| Further details β not scored | ||
| Size | 25 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Muhammad Nouman Imran | Isaac Eng Gian Khor |
In-app purchases
React Native Mastery
No in-app purchases
EGK OrganLens AR
No in-app purchases







