Yoni built one of the most popular iOS apps in recent years: Brainrot. In this video, we break down the story behind how he took it from a simple idea to an app that is making an astonishing $400K/month. And, most importantly, we get his thoughts on what’s working right now for building and growing apps in 2026. *120+ Businesses you can start with less than $500:* https://clickhubspot.com/1tva Say hi to Yoni: https://twitter.com/YoniSmolyar Check out Brainrot: https://thebrainrotapp.com/ 🔔 Follow the Second Channel: @StarterStoryBuild 🏁 We're hiring: starterstory.com/jobs Chapters: 0:00 - the $400K/month app 0:58 - Meet Yoni 1:27 - Brainrot 2:00 - Yoni’s background 2:30 - Start your own business 3:07 - Building a personal brand 3:38 - Idea behind Brainrot 4:11 - Launch and early traction 4:41 - More growth strategies 5:47 - When to go all-in? 6:29 - Building apps in 2026 9:04 - Yoni’s advice for finding app ideas 10:04 - Tech stack and tools 10:29 - Brainrot demo 11:18 - Final advice This video is an educational case study of this founder’s experience. It is not financial advice and does not guarantee any income or results. Every business is different and your results may vary.