A 19-year-old college dropout built a weight-cut app with Cursor that makes $20,000 a month
Ethan's app made over $60,000 in its first six months.
Subject: CutCoach (Ethan)Subscription mobile app for combat sport athletes
Case Overview & Background
Ethan, a 19-year-old former provincial judo champion, left a computer engineering program after realising AI could build in a day what took him a week. His app CutCoach creates science-based weight-cut plans for combat sport athletes.
How AI Is Used
Step-by-Step Process
Built for a problem he knew from competing.
Shifted his time from coding to sales.
Launched as wrestling season started.
Customer Acquisition & Distribution
Limitations, Risks & Failure Modes
What may not apply to you, and what could go wrong:
- Self-reported
- Seasonal demand
- Weight cutting has health risks; the app must stay safe
Key Takeaways
- Personal expertise picks good niches
- AI coding frees time for marketing
- Time launches to the season
Sources
Starter Story: I Left College to Build This Niche App (Now I Make $20K/Month)
Note: Video interview transcript.
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