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notJust.dev Newsletter

by Vadim Savin

Stay up-to-date with the latest React and React Native news and become a better Mobile Developer

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Featured Post

I failed 😩

Back in May 2025, I was eating pierogi in Krakow. It was during my traditional trip to AppJS conf, and I was sitting across from Lukas, telling him how much I miss building and launching apps. The adrenaline that startups bring me. I remember saying out loud: "I wish I had more time to launch my own apps." And then I caught myself. Here's the thing - there's no such thing as "not having time" for something. We all have 24 hours a day. The same 24 hours that Elon has. The same 24 hours that...

3 days ago • 5 min read

notJust.dev Newsletter 🚀 Stay up-to-date with the latest technologies and become a better developer Hey Reader, Welcome to month 4 of my app portfolio journey. I’m sharing everything - the wins, the experiments, and the lessons learned as I build towards 10 profitable apps. This month was “un poco loco” for me, but happy with the direction of where things are moving. TL;DR This is our progress in numbers: $136 MRR $283 revenue (+119%) 923 downloads (+79%) +2 new apps launched New apps During...

2 months ago • 4 min read

notJust.dev Newsletter 🚀 Stay up-to-date with the latest technologies and become a better developer Hey Reader, Before anyone downloads your app, they go through three simple steps in the app store. Impression - They see your app in the store Product Page View - They click to learn more Download - They hit install Most developers obsess over features but ignore this funnel - and that’s a mistake. If people don’t download your app, your features don’t matter. I learned this the hard way....

3 months ago • 7 min read

notJust.dev Newsletter 🚀 Stay up-to-date with the latest technologies and become a better developer Hey Reader,, Welcome to month 3 of my app portfolio journey. I'm sharing everything - the wins, the experiments, and the lessons learned as we build toward 10 profitable apps. TL;DR This month shows some early signs of growth: $123 revenue (+712% 🚀) 506 downloads (+52%) 6/10 apps launched (goal: 10 apps by year-end) 1. Launched Baby Kick Counter 👶 We added our 6th app to the portfolio! Lukas...

3 months ago • 3 min read

notJust.dev Newsletter 🚀 Stay up-to-date with the latest technologies and become a better developer What's up, nerds 👋 In January 2025, Lukas and I set an ambitious goal... Launch 10 apps this year. A very optimistic goal, considering everything else we are doing at notJustDev. But guess what? We've already launched 6 out of 10 apps. And it's only September. How? Because we cracked the code and created something we call THE PLAYBOOK. A battle-tested system that turns app ideas into real,...

4 months ago • 8 min read

notJust.dev Newsletter 🚀 Stay up-to-date with the latest technologies and become a better developer Hey notJust Developers, Ready to talk about something that could boost your app revenue? Let's dive into web checkout for mobile apps. Today, we're covering everything you need to know about web checkout - from the basics of what it is and why you'd want it, to the exciting new opportunities Apple's recent ruling opened up. We'll walk through the pros and cons, show you how to combine web...

4 months ago • 6 min read

notJust.dev Newsletter 🚀 Stay up-to-date with the latest technologies and become a better developer Hey notJust Developers, Expo SDK 54 is here and it brings lots of amazing updates: React Native 0.81 & React 19.1 iOS 26 Liquid Glass support Android 16 compatibility Reanimated 4 support Precompiled React Native builds that cut iOS build times by up to 10x and so much more. This is also the final release supporting the Legacy Architecture, so if you haven't migrated to the New Architecture...

5 months ago • 5 min read

For the last 4 days, I’ve been refreshing the RevenueCat dashboard like an addict. A couple of free trials that did not convert, a bit of patience, and it finally happened! My first paying customer for one of my apps 🥳 I’ve made multiple six figures on the internet. I had companies paying tens of thousands of dollars in a single transaction. But this 5 EUR felt different. It gave me the same adrenaline rush as my first freelancing gig back when I was still in school. On one hand, I understand...

6 months ago • 4 min read

notJust.dev Newsletter 🚀 Stay up-to-date with the latest technologies and become a better developer Hey, notJust Developers, Last week App.js Conf happened at Kraków, Poland — organised by Software Mansion, with Expo as the main partner and notJust.dev proudly joining as a Media Partner among others. The event was packed with exciting announcements from the Expo and React Native communities. Let’s dive into today’s highlights! Legacy Architecture is Frozen Future of react native runtime API...

7 months ago • 6 min read

notJust.dev Newsletter 🚀 Stay up-to-date with the latest technologies and become a better developer Hey notJust Developers, Last week, Software Mansion released ExecuTorch v0.4.1. That delivers even smoother on-device AI execution with a wide range of LLMs into your React Native app. Let’s dive into today’s highlights! React Native ExecuTorch v0.4.1 Released 💯 Radon IDE v1.6 published 🔥 Re.Pack v5.1.0 Out 🚀 Sponsored by Clerk Clerk is a complete suite of embeddable UIs, flexible APIs, and...

7 months ago • 5 min read