Schmidlkoffer: Sold DuckMath for $120,000
Maddox Schmidlkoffer · I Make $15K/Month From One Website · Mar 1, 2026 · at 1:20
Founder Maddox Schmidlkoffer discusses the sale of his unblocked gaming website DuckMath on Starter Story.
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“I did actually sell this business just a few weeks ago for a 120,000.”
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More from Maddox Schmidlkoffer
Schmidlkoffer abandoned manual coding for DuckMath once AI 'vibe coding' emerged
“Especially when vibe coding got big, I've really never touched the coding part anymore. It made it a lot easier to just focus on the marketing part for the design.”
Schmidlkoffer: DuckMath consistently hit 20,000 views per post on Snapchat
“Most people don't look at Snapchat, but we consistently hit 20,000 views and above from Snapchat. So I definitely would not sleep on Snapchat.”
Schmidlkoffer: Fast launches require AI MVPs and reverse-engineering TikTok formats
“Pick a niche that you know to market in and then build a super quick MVP in like two to three days with the help of AI or however you're going to build it quickly. And then you might want to do these things kind of in the same time, but you're going to researc…”
Schmidlkoffer: DuckMath scaled to 150,000 DAUs and $15,000 monthly revenue
“I launched it four years ago, but then the last four months, we went from five to a 150,000 daily active users, and from about a thousand a month to 15,000 a month.”
Schmidlkoffer: DuckMath monetizes 1.5M monthly users at roughly one cent each
“So I have about 1.5 million users a month, and off of each of those users, I get around one cent.”
Schmidlkoffer sold DuckMath after countering an initial $100,000 acquisition offer
“So I had seen about a year before I decided to sell that a bigger company had bought a smaller game site exactly like mine. So I contacted them and I told them all my stats and then I got low ball at a 100,000 dollars. So I came back with a counter offer. We b…”