Paul Hudson
Best free Swift/iOS resource. 100 Days of SwiftUI is the gold standard for beginners.
Hacking with Swift - Free iOS Tutorials is a comprehensive beginner-level resource offered by Paul Hudson, focused on building practical skills in mobile app development. Whether you're a complete beginner looking to start a new career or a professional aiming to upgrade your skills, this resource provides a thorough learning experience.
This is a comprehensive text-based learning resource — ideal for learners who prefer reading and reference-style learning over videos. The advantage of text-based resources is that you can easily search for specific topics, bookmark important sections, copy code snippets, and revisit concepts quickly without scrubbing through video timelines. Many working professionals prefer this format as it's easier to learn in short bursts during breaks.
This resource covers topics essential for success in mobile app development, including native and cross-platform development, UI design, API integration, and app publishing. The curriculum is structured to build your knowledge progressively — starting with foundational concepts and advancing to real-world applications.
By the end, you should be able to:
Duration: Estimated duration: 30 hours of content, designed to be completed in 3-6 weeks at a comfortable pace.
No prior experience is required. This course starts from the absolute basics and gradually builds up complexity. A computer with internet access is all you need to get started.
This resource is designed for a wide audience:
Pricing: This resource is completely free with no hidden charges.
Completing this resource and building related skills can prepare you for roles such as Android Developer, iOS Developer, React Native Developer, Flutter Developer. Realistic salary bands in India (2025-2026), based on Naukri/AmbitionBox data:
Actual offers vary heavily by city, company tier, and how strong your portfolio or interview performance is. Companies actively hiring in this space include PhonePe, Paytm, Swiggy, Google, Samsung, startups.
India has 800+ million smartphone users, and mobile app usage continues to grow. Indian apps like PhonePe, Paytm, Swiggy, and Zomato are used by hundreds of millions. This massive user base creates constant demand for mobile developers. Cross-platform frameworks like Flutter and React Native have made it possible for a single developer to ship on both Android and iOS, increasing their value to employers.
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