Build apps with confidence
Learn Full-Stack Mobile development with React Native — by building real apps.
React Native Mastery
The only course you need to Master mobile development with React Native & Expo
Project based tutorials
Build a Headspace Clone with React Native, Expo and RevenueCat
Build a Headspace meditation app with React Native, Expo, and RevenueCat. Learn to integrate audio playback, smooth animations, and in-app subscriptions for a polished, monetizable mobile experience.
Build an Ecommerce Admin Dashboard with Next.js
Learn how to build a beautiful admin dashboard for managing products and orders of an ecommerce application using Next.js.
Blog
Build & Deploy your first AI Agent with LangGraph
Learn to build an AI agent with LangGraph that writes and executes code. This hands-on tutorial walks through creating a complete autonomous system with memory, tools, frontend and deployment. Perfect for developers wanting to create AI assistants that can...
notJust Hack 2024: Build, Launch, Win!
Join notJust Hack 2024, the ultimate online hackathon for mobile developers. Build and launch your app from December 1–31 for a chance to win a MacBook Pro, Mac Mini, and cash prizes.
React Native 0.76 - What’s new?
What’s new in the new version of React Native 0.76: New Architecture now by default, New React Native DevTools for better debugging, 15x Faster Metro build and smaller Android app, New boxShadow & filter style pr ops
How Starlink built 3d and AR in React Native & Expo
Starlink app is built with React Native and Expo. Here is how they are building the 3d and AR features using ExpoGL, Three.js and React Three Fiber
Hi, I'm Vadim
Developer, Educator Founder of notJust.dev
At notJust.dev, my mission is to help developers build impactful mobile apps.
Our educational content has reached over 10 million developers, giving them the tools and confidence to bring their app ideas to life.
Before starting notJust.dev, I worked at a big tech company (FAANG), built a software development agency, and co-founded 2 startups. These experiences taught me a lot about coding and entrepreneurship.
I have built over 100 apps with React Native and Expo, and I want to help you do the same.