Domain profile · Jun–Aug 2026Status · Live

maddoxschmidlkofer.com↗

Maddox Schmidlkofer — Founder of DuckMath & Tallow

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About

I build and sell software. I started DuckMath at 16, grew it to 150k daily users and sold it for $120k. Now I'm building Tallow, and studying CS at Purdue.

Technologies

Marketing & analytics · 1Content & CMS · 1

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Site details

Website	maddoxschmidlkofer.com ↗
X	@_maddox1337 ↗
Site language	English
Last read	20 Sep 2026

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