Become an Expert React Native Developer

Learn essential skills through practical courses. We help you forge a React Native dev career.

Mobile device with logo of React Native in the center
Simon Grimm, the creattor of
Hey, I'm Simon 👋
I've helped more than 50.000 web developers to build epic native apps. Let me help you as well. 🚀
React is all you need

Turning web developers into React Native experts

Learn to use React Native to build production-ready, native mobile apps for both iOS and Android based on your existing web development skills.

React React

Tailwind Tailwind

Node.js Node.js


TypeScript TypeScript

GraphQL GraphQL

JavaScript JavaScript

VSCode VSCode

Rest API Rest API
Rest API

Firebase Firebase

Supabase Supabase

React Native React Native
React Native

Sound familiar?

We hear these pains a lot.

  • "Most tutorials are too basic."
  • "I'm not sure what steps to take."
  • "New features come out every week."

It doesn't have to be that way

This is what you get with

  • Learn essentials skills through expert screencasts
  • Build on your existing React Web skills
  • Write better code and get support
in-demand skills

Take Control of Your Career

Dive into latest technologies and stand out from the crowd. Prepare yourself for the next job and stay one step ahead of the rest.

your way

You are the Captain

We don't force you into a schedule - you decide when, what and how you want to learn.


Short form content for bite-sized dev tips—in video & text form. Think of them like a refreshing solar wind.

quickwin illustration

Long form, written tutorials with outlines for easy navigation. For when you want a good read on a complex topic and c+p code.

tutorial illustration

In-depth screencasts with a flexible player so you can watch every step to build an app, set your own speed and save your favorite lessons.

tutorial illustration

Get the most out of and unlock super powers with our PRO mode. This is how you become a stellar developer.

  • Access all pro courses
  • Join our group coachings
  • Get the code from GitHub
  • Exclusive pro tutorials

Be part of our tribe

It's easy to feel overwhlemed by modern web development. We are here to help, answer your questions in live Office Hours or hang out together on Discord.

Learning experience

Devs ❤️ us

Don't take our word for it—here's what other developers say about us.

Shawn Fitzgerald

Shawn Fitzgerald

When Galaxies was announce with a React Native focus I knew I needed to join. Best decision ever. The materials, articles, and depth of coverage are stellar (no pun intended).

Chadi Osseiran

Chadi Osseiran

Simon you are one the most motivational, experienced, enthusiast person I have encountered while starting my career in development. You boosted my knowledge, gave me confidence, improved my work, creativity and innovation in many ways.

Arif Ahmed

Arif Ahmed

The clarity with which everything is presented in Galaxies is phenomenal. Highly recommended to head here to learn something new and brush up old concepts in a better way. Happy development!

Joshua Adu-Mensah

Joshua Adu-Mensah

Watching Simons videos always taught me how to solve real world problems but having a live meeting with him revealed so much more about why he invest so much into his courses and videos. He simply wants to see us succeed and find fulfillment in learning and becoming better developers.

Frequently asked questions

Knowledge is power

Do I need existing web development skills?

Most courses start at a basic level of Javascript. However, you should have a general development understanding and know about Javascript, HTML and CSS.

How often is updated?

New courses and tutorials will be released every month so you never run out of fresh content!

Where can I get a receipt or invoice?

You can manage your settings and subscription through your account settings inside the Stripe portal, where you can also download invoices.

Can I download the videos?

No, so far you can only stream them, but a app is planned for the future.

Can I get a refund?

Yes, if you are unhappy with your pro subscription you have a 14 day money back guarantee.

Learn once, write anywhere — be part of our mission.

Sunrise coming out from behind the top half of a planet

© 2023 All rights reserved.