A finance worker in France cloned a successful app with Cursor for a new niche and says it now makes $12K a month
David Attias saw an app making $200K a month, rebuilt it in about a month for women quitting sugar, and grew STOPPR with French influencers.
Subject: STOPPR (David Attias)Subscription mobile app localized and repositioned from a proven app
Case Overview & Background
David Attias was working a regular finance job when he found a mobile app making $200,000 a month. He thought he could build something better for a different audience. He rebuilt a one-for-one version with Cursor in about a month, changed the look and switched the niche to women who want to quit processed sugar. Five months in, he says it has 60,000 downloads.
How AI Is Used
Step-by-Step Process
He picked one he saw making $200K a month.
He checked rising search keywords and many influencers talking about quitting sugar.
He used Cursor to build the new version in about a month.
Customer Acquisition & Distribution
Limitations, Risks & Failure Modes
What may not apply to you, and what could go wrong:
- The figures are self-reported and were not independently checked
- Copying a proven app invites competition from the original
- Influencer and ad costs reduce profit
Key Takeaways
- Localizing a proven app for a new niche or language can work
- AI coding tools make a fast rebuild possible for non-developers
Sources
Starter Story: I found a successful app, made it 1% different, and now make $12K/month
Note: Video interview with transcript. States the 12,000 per month and first-month 5,000 figures, downloads, and the Cursor build.
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