How I built a $30K/month mobile app @starterstory
How I built a $30K/month mobile app  @starterstory
Uploaded October 2025 | Updated September 2026, 11 hours ago
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.

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John's app: https://travelwhiz.app/
Follow John: https://x.com/johnmarkerpen

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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

This video is an educational case study of one 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.
How I built a $30K/month mobile appBro built a $1.3M business in 6-7 hours 🤯I was stuck at $100 for 2 years until I made one change. Now my app makes $10K/monthBros TikTok ad made $15,000 on 5M views with simple app demos.His friends think him scalling his app to $1M/month is a jokeThis idea validation formula has made him $500K from iOS appsI laughed when he showed me his app. Then he told me how much money it makesHow I Used Twitter to Hit $10K/MonthHis 3 SaaS apps make $200K MRR. He runs the same playbook every timeThis Simple App Makes $18K/MonthBro was stuck at $100/month for 2 years. Then one pivot scalled him to $10K MRR.How I Built a $12K/Month Micro-SaaS
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How I built a $30K/month mobile app

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