Catalin Stefan

Android Monetisation AdMob & in-app billing with Kotlin

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Mobile Development · Online Course

Android Monetisation AdMob & in-app billing with Kotlin Reviews & Product Details

Unlocking revenue potential is a critical step for any mobile developer, and this comprehensive course on Android Monetisation provides the ultimate roadmap using Kotlin. Led by experienced developer Catalin Stefan, the program guides you through the practical integration of Google AdMob and the Google Play Billing Library. You will learn how to seamlessly implement various ad formats, including classic banners, high-engagement interstitial ads, and rewarded video ads that incentivize user interaction. Beyond advertising, the course dives deep into the lucrative world of in-app purchases and subscription models, teaching you how to set up one-time digital purchases and recurring billing cycles securely. Whether you are aiming to launch a fully paid premium app, deploy a freemium model, or leverage hybrid monetization strategies, this course equips you with the technical skills to write clean Kotlin code for secure transaction handling. Ideal for independent developers, mobile entrepreneurs, and aspiring Android engineers, this training ensures you can successfully transform your creative app ideas into profitable, self-sustaining digital products.

Best For

Android developers seeking to integrate AdMob ads and in-app billing using Kotlin Indie app developers looking to monetize their existing mobile projects Software engineers aiming to master secure transaction handling in the Google Play ecosystem Entrepreneurs wanting to implement freemium or subscription-based revenue models

Not For

Complete beginners who have never written code in Kotlin or built a basic Android app Developers exclusively interested in iOS development or cross-platform frameworks like Flutter Professionals looking for advanced backend server-side subscription management beyond client-side billing integration

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About the Creator

is an experienced software engineer, mobile developer, and automation strategist dedicated to teaching modern technical skills that yield tangible real-world results. With a deep background in mobile application development, specifically Android utilizing Kotlin, Catalin has mastered the intricacies of app monetization, including AdMob integration and in-app billing systems. Beyond mobile development, he is a passionate advocate for workflow efficiency, specializing in no-code and low-code AI automation platforms like N8N. Catalin's teaching philosophy centers on highly practical, project-based learning. He avoids dry theoretical lectures in favor of step-by-step, hands-on tutorials that empower students to build functional systems from scratch. By bridging the gap between software creation and monetization, his courses prepare developers, freelancers, and tech entrepreneurs to not only write code but also launch sustainable, automated digital products. Whether you are looking to build passive income from your Android apps or streamline your business operations using AI-driven N8N workflows, Catalin provides the clear, structured guidance necessary to achieve your technical goals.

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