How Self-Taught Developer John McEvoy Built a $30K/Month Mobile App 🚀

John McEvoy was a graphic designer who taught himself to code. He built Momego and grew it to $30K MRR – all by himself. The biggest unlock? John uses hyper-local app store optimization and SEO. This video breaks down exactly how he built Momego and grew it to 5M downloads, 400K monthly users, and $30K MRR. LLC Formation, Bookkeeping, Business Taxes, and more in one platform → https://go.starterstory.com/momego Build your own app with AI→ https://build.starterstory.com/build/ai-build-accelerator?utm_source=youtube&utm_campaign=momego John's app: https://travelwhiz.app/ Follow John: https://x.com/johnmarkerpen 🔔 Follow the Second Channel: @StarterStoryBuild 🏁 We're hiring: starterstory.com/jobs Chapters: 0:00 - Intro 0:47 - Who is John 1:07 - Numbers behind Momego 1:34 - Joh's background 2:01 - Idea for Momego 2:52 - How John built the app 4:07 - What grew Momego to $30K/month 4:42 - How to get millions of users for free 8:22 - Growth timeline: from 0 to $30K/month 9:36 - What the app does 11:44 - Tech stack 12:34 - Costs & margins 12:55 - Solve your own problem 14:11 - Episode summary